tag:blogger.com,1999:blog-85029540463854939312024-03-12T21:32:22.295-07:00Quality Telescopes And MountsMy account at Amazon.com has now been reopened after being canceled because of California legislation recently repealed. Enjoy the options I offer as Family Hobby in Quality Telescopes and Mounts.Larry Pricehttp://www.blogger.com/profile/04649745399773095048noreply@blogger.comBlogger11125tag:blogger.com,1999:blog-8502954046385493931.post-68752570916251284972011-01-07T15:07:00.000-08:002011-01-07T15:07:31.716-08:00Orion SkyQuest XX12i IntelliScope Truss-Tube Dobsonian<div class="separator" style="clear: both; text-align: center;"><a href="http://www.amazon.com/gp/product/B001EDMM1W?ie=UTF8&tag=astronomychoices-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B001EDMM1W">Orion SkyQuest XX12i IntelliScope Truss-Tube Dobsonian</a><img src="http://www.assoc-amazon.com/e/ir?t=astronomychoices-20&l=as2&o=1&a=B001EDMM1W" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />" style="clear: left; cssfloat: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="320" n4="true" src="http://2.bp.blogspot.com/_wHVQkbwApXg/TSeUzUXIijI/AAAAAAAAAZo/AGHP07kiG0g/s320/Orion+SkyQuest+XX12i+Dobsian+Intelliscope.jpg" width="320" /><span id="goog_160891605"></span></a><span id="goog_160891606"></span></div><div style="text-align: center;"><span style="color: orange; font-size: large;">Here is a Great Telescope for the Intermediate Astronomer</span></div><div style="text-align: center;"><br />
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</div><div style="text-align: left;"><span style="color: red;">This Dobsonian Telescope has a 12" Primary mirror that will return very high quality deep space images.</span></div><div style="text-align: left;"><br />
</div><div style="text-align: left;"><span style="color: red;">The mount features a computerized "goto" mount positioning system that comes with free StarryNight Software containing over 40,000 celestial object positions.</span><br />
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<span style="color: red;">This telescope is priced at $1,299.95 at Amazon.com. <a href="http://www.amazon.com/gp/product/B001EDMM1W?ie=UTF8&tag=astronomychoices-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B001EDMM1W">Orion SkyQuest XX12i IntelliScope Truss-Tube Dobsonian</a><img src="http://www.assoc-amazon.com/e/ir?t=astronomychoices-20&l=as2&o=1&a=B001EDMM1W" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />"><span style="color: orange;"><strong>Click here to shop now</strong></span></a></span><br />
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<span style="color: white;"><strong>Check out my special article on Dobsonian telescope design, and determine what the differences are between these wonderful telescopes and other Newtonian Reflector telescope models:</strong></span> <a href="http://hubpages.com/t/1e1a55"><span style="color: orange;"><strong>Dobsonian Telescope Primer</strong></span></a><br />
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Free Starry Night Special Edition software and Sky Theater DVD are included with the purchase of any astronomical Orion-brand telescope. With realistic sky simulations and a myriad of features Starry Night software will help you plan your observing sessions and help you understand what you see. Requires PC running Windows Vista or Windows XP. Requires Macintosh running OS 10.3.9 or higher. The software and DVD will be added to your order automatically<br />
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Click read more below left to get technical specifications.<br />
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<a name='more'></a><ul><li>Deluxe 12-inch truss tube Dobsonian disassembles for easy transport to any observing site</li>
<li>If you wish to upgrade your XX12 to a push-to IntelliScope Dob, an optional IntelliScope upgrade kit (sold separately) will be available in January 2011</li>
<li>Traditional 8-pole truss scalable design offers superior rigidity compared to other telescope designs in this category</li>
<li>Big 12-inch (305mm) parabolic optics (f/4.9) with enhanced reflectivity coatings (94%) pack a serious punch for bright deep-sky observing</li>
<li>Includes custom Light Shroud, Dual-speed (11:1) 2-inch Crayford focuser, 9x50 finder scope, 2-inch and 1.25-inch eyepieces, Cooling Accelerator Fan, eyepiece rack, and more</li>
</ul><div class="htmlfile">It's a deep-sky observer's dream Dobsonian! The Orion XX12's jumbo 12-inch (305mm) Pyrex parabolic optics of 1500mm focal length (f/4.9); and a sturdy, eight-truss tube design that disassembles in about a minute into compact, easily portable components for transport to your favorite observing site! The XX12's traditional 8-pole truss tube design let's you break the tube down into portable "bite-size" pieces - no tools required! This 8-pole design provides a more rigid structural support than other designs in this category. All tube assembly knobs are captive, so you won't lose any in the dark!<br />
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<strong>You can even choose to upgrade your XX12 to include the IntelliScope Computerized Object Locator system, sold separately (IntelliScope upgrade kit will be available in January 2011).</strong><br />
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The XX12 focuser is a dual-speed (11:1) 2-inch Crayford with 1.25-inch adapter, metal focus knobs, and adjustable drawtube tension to ensure excellent, non-slip motion for any size of eyepiece used. We outfitted the XX12 with larger, 8-inch altitude bearings for smoother tube motion. The side-reinforced base sports stylish cutouts that minimize weight without sacrificing stability. EbonyStar laminate glides on virgin Teflon to give the azimuth motion the feel of silk. Other fine features include adjustable altitude tension, an open 9-point flotation primary mirror cell, and a "navigation knob" for easy slewing.<br />
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Although the primary mirror cell is extremely well ventilated, the Orion SkyQuest XX12 Truss Dobsonian comes with a Cooling Accelerator Fan, which attaches to the back of the cell and facilitates faster equilibration of the mirror to ambient temperature. The secondary mirror has a 70mm minor axis and is held in a four-vane spider with very thin (0.7mm thick) vanes to minimize diffraction effects.<br />
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The XX12 Truss Tube Dobsonian telescope comes fully loaded with great accessories, including a 9x50 finder scope, aluminum telescope eyepiece rack, two telescope eyepieces: a low-power 35mm (43x) DeepView 2-inch and a high-power 10mm (150x) Sirius Plossl 1.25-inch, dust caps for the top and bottom optical tube sections, and a "collimating cap" to insure optical alignment of the mirrors. A convenient carrying handle is provided for the base.<br />
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The included XX12 Light Shroud, custom designed for the SkyQuest XX12 optical tube, is made of a stretchy nylon blend material that fits like a glove over the truss poles of the telescope, fastening with thick elastic bands on both ends. A Light Shroud is vital for optimizing visual performance in any area afflicted with light pollution or peripheral light sources like street and house lights. The water-resistant, opaque black fabric blocks stray light from entering the optical path, greatly improving image contrast. It's also breathable, which minimizes unwanted vibration of the scope in breezy conditions.<br />
It's the big Dobsonian you've dreamed of owning, and now you can take it with you wherever dark skies beckon! Get the practical and amazingly affordable Orion SkyQuest XX12 Truss Tube Dobsonian by Orion and hit the road to astronomical adventure. One-year limited warranty.</div></div><div class="productName"> </div>Larry Pricehttp://www.blogger.com/profile/04649745399773095048noreply@blogger.com1tag:blogger.com,1999:blog-8502954046385493931.post-88998586871177854322011-01-07T14:22:00.000-08:002011-01-07T15:18:59.792-08:00Orion SkyQuest XT8 Classic Dobsonian Telescope<table cellpadding="0" cellspacing="0" class="tr-caption-container" style="float: left; margin-right: 1em; text-align: left;"><tbody>
<tr><td style="text-align: center;"><a href="http://www.amazon.com/gp/product/B001DDW9V6?ie=UTF8&tag=astronomychoices-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B001DDW9V6">Orion SkyQuest XT8 Classic Dobsonian Telescope</a><img src="http://www.assoc-amazon.com/e/ir?t=astronomychoices-20&l=as2&o=1&a=B001DDW9V6" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />" style="clear: left; cssfloat: left; margin-bottom: 1em; margin-left: auto; margin-right: auto;"><img border="0" height="320" n4="true" src="http://1.bp.blogspot.com/_wHVQkbwApXg/TSeMK5WqOKI/AAAAAAAAAZk/RL5mG2moKVA/s320/Orion+SkyQuest+XT8+Classic+Dobsonian.jpg" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">Click Picture to Shop</td></tr>
</tbody></table><div style="text-align: center;"><span style="background-color: black; color: red; font-size: large;">OPEN THE HEAVENS</span></div><div style="text-align: center;"><span style="background-color: black; color: red; font-size: large;">WITH THIS GREAT</span></div><div style="text-align: center;"><span style="background-color: black; color: red; font-size: large;">DOBSONIAN</span></div><div style="text-align: center;"><br />
</div><div style="text-align: left;"><span style="background-color: black;"><span style="color: white;">This is a deep sky telescope option that will amaze you. It has quality optics that will provide clear crisp views of objects in our </span><span style="color: white;">solar system.</span></span></div><div style="text-align: left;"><br />
</div><div style="text-align: left;"><span style="background-color: black;"><span style="color: white;">Because of the large optics and long focal length you can view extra-terestrial nebulae, galaxies, gas clouds and distant star clusters.</span></span></div><div style="text-align: left;"><br />
</div><div style="text-align: left;"><span style="background-color: black; color: white;">I have written an article for you to read concerning the differences between the Dobsonian design and other Newtonian reflectors. You can click here to read it and determine if this telescope is the one for you. </span><a href="http://hubpages.com/t/1e1a55"><span style="background-color: black; color: orange;">Dobsonian Telescope Primer</span></a></div><div style="text-align: left;"><br />
</div><div style="text-align: left;"><span style="background-color: black;"><span style="color: black;"><span style="color: white;">This telescope is very affordable at</span> </span><span style="color: red;">$329.95 </span><span style="color: white;">through Amazon.com. You can read additional reviews on this telescope on Amazon's website. <a href="http://www.amazon.com/gp/product/B001DDW9V6?ie=UTF8&tag=astronomychoices-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B001DDW9V6">Orion SkyQuest XT8 Classic Dobsonian Telescope</a><img src="http://www.assoc-amazon.com/e/ir?t=astronomychoices-20&l=as2&o=1&a=B001DDW9V6" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />">Click Here To Shop at Amazon</a></span></span></div><div style="text-align: left;"><span style="background-color: black; color: white;">Click Read More for a Review of this telescope model.</span></div><div style="text-align: left;"><br />
</div><a name='more'></a>If you look at my review for the XT6 I gave that instrument 5 stars but cautioned readers not to buy it. At that time I said that, given a chance, I might jump up to an XT8. I got the chance, and I grabbed it. Here is what I learned. <br />
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The 6 has a slightly longer focal length. This means that if your main purpose for viewing is to see object within our solar system, i.e. planets, moon, etc. It won't make much difference which scope you purchase. the 6" is cheaper and lighter. Solar system objects are bright and look good at about 200X, which either scope can deliver on a good night and neither can deliver on a bad night. <br />
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But I don't look mainly at solar system objects. I like to look at deep sky objects, like nebula, galaxies, double stars, etc. For these, the more aperture, the better. 8" is notably more aperture than 6". It is true that the 8" weighs more than the 6. I am 52 years old. I can lug either around my yard, but I added a cart for the 8". My yard is nearly an acre and I would rather pull it around than carry it. In my earlier review I said that I might keep my XT6 as a travel scope. That wasn't necessary. The 8" is easy take apart, place in its bag, and carry to other locations. The bag is necessary for travel. I did keep my 6". I began teaching seminars and now have 5 scopes. I regularly use reflectors, refractors, composites, EQ mounts, alt./az. mounts, and dobsonians. The XT8 is my favorite. I think I'll keep this one for awhile. <br />
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I've tried the goto scopes. They are handy, but given the choice of spending my money on electronics or aperture, I'll go with the aperture. I have some scopes with EQ mounts. Given the choice of spending my money on a fancy mount or aperture, I'll take aperture and the simple dobsonian mount. EQ mounts are only necessary for photography. This scope is about as big as an inexpensive portable scope gets and about as small as a serious visual scope gets. It is a great beginning and intermediate scope.Larry Pricehttp://www.blogger.com/profile/04649745399773095048noreply@blogger.com0tag:blogger.com,1999:blog-8502954046385493931.post-87312777678857090622010-12-05T10:43:00.000-08:002011-01-08T11:57:14.593-08:00TwinStar White 6" iOptron Computer Controlled Reflector Telescope <br />
<table cellpadding="0" cellspacing="0" class="tr-caption-container" style="float: left; margin-right: 1em; text-align: left;"><tbody>
<tr><td style="text-align: center;"><a href="http://www.amazon.com/gp/product/B002ZFC0JM?ie=UTF8&tag=arcasafamhob-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B002ZFC0JM">TwinStar White 6</a><img src="http://www.assoc-amazon.com/e/ir?t=arcasafamhob-20&l=as2&o=1&a=B002ZFC0JM" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />" imageanchor="1" style="clear: left; cssfloat: left; margin-bottom: 1em; margin-left: auto; margin-right: auto;"><img border="0" height="320" ox="true" src="http://2.bp.blogspot.com/_wHVQkbwApXg/TPvaC4eELRI/AAAAAAAAAU4/U0u1v3FCoaE/s320/Twin+Star+White+6+Inch+iOptron+Computerized+Reflector.jpg" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><strong>iOptron Computer Controlled Telescope</strong><br />
<strong>Good for Astrophotograpy and viewing while being easy to learn!</strong></td></tr>
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<div style="text-align: center;"><span style="color: red; font-size: large;">A FANTASTIC VALUE FOR A</span></div><div style="text-align: center;"><span style="color: red; font-size: large;">6" COMPUTERIZED REFLECTOR</span></div><div style="text-align: left;"><br />
</div><div style="text-align: left;"><strong>Here is an opportunity to purchase a high resolution optical telecope. This reflector telescope will last many years and is of quality design and construction.</strong></div><div style="text-align: left;"><br />
</div><div style="text-align: left;"><strong>It comes with easy to follow instructions that will allow you and your children to learn and enjoy the night skys. The price is right too!</strong></div><div style="text-align: left;"><br />
</div><div style="text-align: left;"><strong>The equitorial mount is capable of slewing a celestial object. The pre-programmed star charts will make finding object simple.</strong></div><div style="text-align: left;"><br />
</div><div style="text-align: left;"><strong>This is a beautiful instrument priced at: <span style="color: red;">$ 399.00</span></strong><br />
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<strong><span style="color: red;"><a href="http://hubpages.com/t/1dd806"><span style="color: orange;">Click here to read more on how a reflector telescope works</span></a></span></strong><br />
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<strong><span style="color: white;">To shop and compare at Amazon.com, click the image itself. To read reviews or technical information click on "Read more" below at left.</span></strong><br />
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<a name='more'></a></div><strong>Review by: Larry Price</strong><br />
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This telescope is ideal for backyard astronomy enthusiasts or older children with space on the brain. Simply turn the telescope on, choose the object you want to see on the handheld controller and the computerized GPS mount does the rest. With a large 150mm (6 inch) primary mirror and a 1400mm focal length, this large reflector telescope is the perfect high magnification instrument for planetary and deep space astronomy. You can observe fabulous nebulae, galaxies, binary star systems and most of the famed deep-space Messier objects. Of course, with this telescope, you can see outstanding detail when viewing the moon and you can see the Rings of Saturn and the Moons of Jupiter. The iOptron SmartStar-A Equatorial Mount with GPS, a.k.a. The Cube, is probably the most functional and flexible unit on the market. Both axis motors are built into a small single unit. In addition, there are no "dead spots" -- so you can point your telescope anywhere above the horizon, whereas, other mounts block the telescope tube at certain points of rotation. This mount comes standard with AC connection, but also accepts 8 AA cell batteries for use at home or in the field (Batteries sold separately). The GoToNova computerized control system is by far the most technologically advanced automated tracking system available on the market today. With a database of 80,000 celestial objects, including all of the most famous galaxies, nebulae, star clusters, not to mention the planets, you'll be able to enjoy star gazing with the simple push of a button. There is no need to align the telescope, with GPS, it knows its location. The GoToNova Controller is much easier to use than other similar products. The hand controller is more intuitive with menu categories better organized. It also has a larger LCD screen with more lines of content compared with the competition. With the easy-to-use hand controller you can easily set up your telescope and select where you want to go.Larry Pricehttp://www.blogger.com/profile/04649745399773095048noreply@blogger.com0tag:blogger.com,1999:blog-8502954046385493931.post-35552088948249197172010-12-03T15:52:00.000-08:002011-01-08T13:59:39.803-08:00Celestron 21062 AstroMaster 70 EQ Refractor Telescope <br />
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<tr><td style="text-align: center;"><a href="http://www.amazon.com/gp/product/B000MLL6QE?ie=UTF8&tag=arcasafamhob-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B000MLL6QE">Celestron 21062 AstroMaster 70 EQ Refractor Telescope</a><img src="http://www.assoc-amazon.com/e/ir?t=arcasafamhob-20&l=as2&o=1&a=B000MLL6QE" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />" style="clear: left; cssfloat: left; margin-bottom: 1em; margin-left: auto; margin-right: auto;"><img border="0" height="320" ox="true" src="http://2.bp.blogspot.com/_wHVQkbwApXg/TPl6xFEbGFI/AAAAAAAAAUo/hqitHmyzKSk/s320/Celestron+21062+AstroMaster+Reflector.jpg" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><strong><span style="color: red; font-size: small;">An Exceptional Telescope for $108.56</span></strong></td></tr>
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<div style="text-align: center;"><strong><span style="color: red; font-size: large;">An Excellent Buy And</span></strong></div><div style="text-align: center;"><strong><span style="color: red; font-size: large;">Quality Pricing Too</span></strong></div><div style="text-align: center;"><br />
</div><div style="text-align: left;"><strong> Lets not be fooled by the cost of this telescope. It is a Celestron and comes with very high approval ratings. It is a five star rated product at Amazon, with most buyers being very happy with the purchase.</strong></div><div style="text-align: left;"><strong> </strong><br />
<strong>As a beginner in 1966, my first telescope was a 3" Refractor and it gave many hours of enjoyment. This enjoyment was in learning and spending time with family members.</strong></div><div style="text-align: left;"><strong> </strong><br />
<strong>If you are looking for a very reasonably priced telescope, you cannot go wrong in purchasing this scope. There is a 58% savings.</strong></div><div style="text-align: left;"><strong> </strong><br />
<strong>Additional purchases should be made by a beginner. Amazon recommends: Small Telescope and How to Find Them. I recomend you also buy a good Star Chart. These additional items would bring the total cost to about $150.00</strong><br />
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<strong><a href="http://hubpages.com/hub/Choosing-A-Refractor-Telescope">Click to read article on refractor telescopes and how they function</a></strong><br />
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<strong>Click read more below left to see reviews.</strong></div><span style="color: #003399;"><span class="bxgy-binding-byline"></span></span><br />
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<a name='more'></a><span style="color: orange;"><strong>Review by: SaM4842 (USA)</strong> <strong>(Five Stars)</strong> </span><br />
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<span style="color: red;"><strong>At first I was skeptical about the quality of this telescope because of it's price range, but once I received it, I was pleasantly surprised. <br />
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The build quality is quite good. The tripod is very sturdy and the equatorial mount is well constructed. If I am not mistaken, some of the more expensive Celestron telescopes use this same tripod and mount. This package comes with a software that helps you locate stars and planets, so as long as you set the telescope to the north correctly, trying to locate stars is not a problem. <br />
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One thing I wished I had paid more attention to is the dimensions of the whole telescope kit. It is much larger than I anticipated; my reasoning was: it is a kid's telescope, it is probably not full sized. Not so! <br />
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Most telescope books I read said you cannot get a decent telescope for under $300, but for the beginner, the price and quality of this telescope is a great buy.<br />
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<span style="color: red;"><strong><span style="color: orange;">Review by: C.Vitalos (Four Stars)</span><span style="color: red;">I bought this telescope for my 7 year old daughter's birthday. She was absolutely delighted when she and I viewed Jupiter and its moons, and Venus. <br />
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This telescope provides stunning views of the Moon. You can also see "naked eye" planets e.g. Venus, Jupiter, however, they are a bit small. If you want to see them in greater detail I would suggest purchasing a telescope with a higher magnification rating. <br />
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The equatorial mount is worth the additional money over the altazimuth mount (Astromaster 70 AZ) in my opinion. The ability to track objects with one slight turn of a nob (after you accurately align the scope to Polaris) with the equatorial mount is much more convenient. Also, this mount is a "must have" if you plan to get the optional tracking motor and intend to take pictures with the optional camera mount. </span><br />
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<span style="color: orange;">Actual views using this scope:</span></strong></span><br />
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<tr><td style="text-align: center;"><a href="http://1.bp.blogspot.com/_wHVQkbwApXg/TPmC71fqr9I/AAAAAAAAAUs/rip36Wd5dw4/s1600/41LBv4rC4-L__AA300_.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" ox="true" src="http://1.bp.blogspot.com/_wHVQkbwApXg/TPmC71fqr9I/AAAAAAAAAUs/rip36Wd5dw4/s1600/41LBv4rC4-L__AA300_.jpg" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="color: red;">The Moon</span></td></tr>
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<tr><td style="text-align: center;"><a href="http://2.bp.blogspot.com/_wHVQkbwApXg/TPmDQHfGuOI/AAAAAAAAAUw/ezaMWjFBoFc/s1600/41OanjkLYVL__AA300_.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" ox="true" src="http://2.bp.blogspot.com/_wHVQkbwApXg/TPmDQHfGuOI/AAAAAAAAAUw/ezaMWjFBoFc/s1600/41OanjkLYVL__AA300_.jpg" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><strong><span style="color: red;">Our Moon Again</span></strong></td></tr>
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<tr><td style="text-align: center;"><a href="http://1.bp.blogspot.com/_wHVQkbwApXg/TPmDqJo3wtI/AAAAAAAAAU0/M0QdVSIn3ys/s1600/213IAXzAzzL__AA300_.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" ox="true" src="http://1.bp.blogspot.com/_wHVQkbwApXg/TPmDqJo3wtI/AAAAAAAAAU0/M0QdVSIn3ys/s1600/213IAXzAzzL__AA300_.jpg" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="color: red;"><strong>The Planet Saturn</strong></span></td></tr>
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Larry Pricehttp://www.blogger.com/profile/04649745399773095048noreply@blogger.com1tag:blogger.com,1999:blog-8502954046385493931.post-81902051534738733492010-12-03T10:47:00.000-08:002011-01-08T13:54:19.160-08:00Amateur Astronomy - A Basic Affordable Telescope Brand to Try<br />
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<tr><td style="text-align: center;"><a href="http://www.amazon.com/gp/product/B00013Q3SY?ie=UTF8&tag=arcasafamhob-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B00013Q3SY">Galileo FS120DX 1000 x 120mm Newtonian Reflector Telescope</a><img src="http://www.assoc-amazon.com/e/ir?t=arcasafamhob-20&l=as2&o=1&a=B00013Q3SY" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />" style="margin-left: auto; margin-right: auto;"><img border="0" height="320" ox="true" src="http://4.bp.blogspot.com/_wHVQkbwApXg/TPf474fU1LI/AAAAAAAAASQ/pTjgHeHESUM/s320/Galileo+1000+X+120+MM+Reflector.jpg" width="308" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="color: red;"><strong>Click Picture to Shop</strong></span></td></tr>
</tbody></table><div style="text-align: center;"> <span style="color: red; font-size: large;"><strong>GREAT 5" BEGINNER TELESCOPE</strong></span></div><br />
<strong> As a beginner in Astronomy, it is not necessary to have the biggest and best Telescope you can buy. I started with a three (3) inch Refractor Telescope and was completely satisfied. However, if you are involving your children in this as a hobby, I would go for an intermediate level Telescope. I will make suggestions about types and brands, so you can make an informed choice.</strong><br />
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<strong><span style="color: red;">Galileo FS120DX 39.37 inch x 4.7244 inch Newtonian Reflector Telescope Best Low Budget First Choice: Priced about $200.00: </span><span style="color: orange;"><a href="http://www.amazon.com/gp/product/B00013Q3SY?ie=UTF8&tag=astronomychoices-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B00013Q3SY">Galileo FS120DX 1000 x 120mm Newtonian Reflector Telescope</a><img src="http://www.assoc-amazon.com/e/ir?t=astronomychoices-20&l=as2&o=1&a=B00013Q3SY" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />">Click to shop Amazon.com</a></span></strong><br />
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<strong><span style="color: red;">View my reflector telescope article on Hubpages: </span><span style="color: orange;"><a href="http://hubpages.com/t/1dd806">Click here to learn how reflectors work</a></span></strong><br />
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<strong> This telescope is and excellent choice for a beginner with a small budget. Most of us think that a Telescope is hard to use, or they will be frustrated by not knowing enough. It’s simple really, and this Telescope is great for a beginner. Once you remove this Scope from the package you'll see its easy to use set-up. It’s already attached to its mount and only needs to be set upon the tripod that comes with it and screw the mount cap down. Once placed on a level surface outside, you need only adjust the counter balance rods properly. In this, you are simply finding the balance point where the scope holds position when released by your hand. A little fine tuning may be necessary, but you'll get it.</strong><br />
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<strong> The mount compensates for Azimuth and Altitude once balanced, and is easy to set for the beginner Astronomer. A child can easily learn the basic idea with a little help from you. It has a simple spotter scope allowing you to point the scope and align it automatically with a star or a planet. Once properly aligned, you simply view it through the secondary lens. This scope has a concave (collector) main mirror, which is best in my opinion, at gathering available light. The secondary lens', as all are, is a convex shaped lens and used at the focal point to pinpoint the collected light and reflect in into you eye via the reflector mirror itself. The reflector mirror extends on a mount just under the eyepiece and inside the main telescope tube. Thus, the name reflector telescope.</strong><br />
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<strong> There is no limit to the viewing of near earth objects with this scope. The moon is easiest to spot, so share that with your children first. The planets are easy to spot also, simply look for brighter stars that do not twinkle. Planets do not twinkle like a star does, with an exception here: In the city, atmosphere can give the appearance that an object is twinkling, but it’s really not. Simply spot on the objects that shimmer or twinkle less. Look through the lens, and you most likely will have a planet in sight. You might want to also purchase a primer to astronomy book, nothing complicated, just the basics please. A star chart is very helpful, and the primer book will help you use it. There is not steep learning curve; you will pick-up on the basics really fast.</strong><br />
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<strong> This telescope has a 39.37" focal length, and a 4.72" mirror. The longer the focal length and bigger the mirror, the higher the resolution is when viewing. The scope has a nice resolution for that reason. For the price it is a very capable telescope that will offer interesting views of planets, stars and star clusters. Using the star chart, you will be able to find constellations and know when to look for comets, etc. All of this comes with little real investment of your time to learn. It's very easily learned, and you'll have fun teaching your children; they will be excited with you spending time with them, and you’re teaching them.</strong><br />
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<strong> All told, this is a good basic telescope. You can learn with this one and later upgrade to higher powered scopes and trick equipment as you master the fine hobby of astronomy. As with everything in life, you get what you pay for, but this telescope delivers very well. You might also order a lens cap and cleaning solutions for the lenses.</strong><br />
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<strong> As a beginner, I hope this helps you make a determination on where to start. This scope is a nice one and I feel you will be happy with the choice. Take time and review it online, read reviews and make a decision. There are many choices you can make, but for the dollar, I believe this to be a very good choice for a budget conscious choice.</strong>Larry Pricehttp://www.blogger.com/profile/04649745399773095048noreply@blogger.com0tag:blogger.com,1999:blog-8502954046385493931.post-48441688331169292892010-12-03T10:30:00.000-08:002011-01-08T13:52:18.808-08:00Orion Twin Star Computerized Reflector Telescope - Astrophotography For Beginners <br />
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<table cellpadding="0" cellspacing="0" class="tr-caption-container" style="float: left; margin-right: 1em; text-align: left;"><tbody>
<tr><td style="text-align: center;"><a href="http://www.amazon.com/gp/product/B001OSGV6Y?ie=UTF8&tag=arcasafamhob-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B001OSGV6Y">Orion StarSeeker 130mm GoTo Reflector Telescope</a><img src="http://www.assoc-amazon.com/e/ir?t=arcasafamhob-20&l=as2&o=1&a=B001OSGV6Y" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />" imageanchor="1" style="clear: left; cssfloat: left; margin-bottom: 1em; margin-left: auto; margin-right: auto;"><img border="0" height="320" ox="true" src="http://2.bp.blogspot.com/_wHVQkbwApXg/TPgbKTtQW6I/AAAAAAAAAUM/nD5bantvUSQ/s320/NoText-Twin+Star+Reflector+Computer+Control.JPG" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="color: red; font-size: small;">Orion Twin Star Computerized Reflector Telescope</span></td></tr>
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<div style="text-align: center;"> <span style="color: red; font-size: large;">A GREAT FIRST BUY</span></div><div style="text-align: center;"><span style="color: red;">Mount Is Computerized To Find Objects</span></div><div align="left" style="text-align: center;"><br />
</div><div style="text-align: left;"><strong><span style="color: black;"><span style="color: white;">This telescope</span> </span>is excellent and has many positive reviews. If you are looking for a computerized mount and scope, you cannot go wrong here. As a beginner or intermediate Astronomer, you'll find this scope system to be easy to learn and affordable.</strong></div><div style="text-align: left;"><br />
</div><div style="text-align: left;"><strong>The mount can handle a low end photography package such as a 35mm Film SLR or a CDD Digital Camera easily. </strong><strong>Pricing is excellent through Amazon.com. Click on the image to shop and compare.</strong></div><div style="text-align: left;"><br />
</div><div style="text-align: left;"><strong><span style="color: red;">Priced at: $ 369.95 </span><span style="color: black;"><a href="http://hubpages.com/t/1dd806">Check an Article about how reflectors work</a></span></strong><br />
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<strong><span style="color: red;">Article on Astrophotography and Astronomy appears below. Reviews are included for your consideration. Click on "Read more" below:</span></strong><br />
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</div> <strong> Clearly, most of us are looking for ways to spend real quality time with family and friends. We probably think of Astronomy as a hobby, but doubt it will keep the interest of our children, or that it is complicated and boring. Instead you will find it to be exceptionally rewarding, educational and interesting to share and learn with your children and friends.</strong><br />
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<strong> As a beginner or intermediate astronomer, you might think astrophotography is complicated. For the most part it is not, you can use different methods to photograph the heavens without overly expensive telescopes and accessories. Making good economical choices will allow a level of participation that puts beautiful celestial photographs in the family scrapbook. The goal of this article is to promote the hobby of astral-photography as a family concept.</strong><br />
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<strong>As a young child, my father purchased a 3" Refractor Telescope in order to teach and share with his children. There were six of us, younger than me, but all were drawn to the telescope the first day it was placed in the backyard. We learned where all the planets were, the major star clusters, nebulae, and the location of many constellations. To 'pick' our interest more, we were taken on trips to the desert and mountains, just to bring the telescope and spend time together. We had fire-rings, fishing, good outdoor cooking and astronomy at night.</strong><br />
<strong>Because it was dark and cold in the desert and mountains, it was best for viewing, both with the naked eye and our telescope.</strong><br />
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<strong> These trips together opened a whole new realm for us to enjoy, and that enjoyment came from closer interpersonal relationships with each other, and the new beauty we saw in the celestial night sky. In order to make our experience with astronomy more enjoyable and keep us interested, dad bought a 35mm Minolta SRT 101(b) Camera (1967 ), and went on to teach us 'Piggyback' photography in the deserts and mountains. Because there is less ambient light from the inner-city, general astronomy and photography in these areas brought incredible images before our camera and telescope.</strong><br />
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<strong>Piggyback Astrophotography Basics: An Easy and Economical Option</strong><br />
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<strong>There is nothing as seductive as an astronomical image of the black night sky filled with stars and colorful glowing interstellar gases and nebulae. These types of images are not really available without photography. The piggyback method allows that you attach a camera and telephoto lens to the equatorial mount. There are affordable mounts available through online shopping. Just 'Google' it and you will find many choices. Some mounts allow you to attach the camera to the telescope tube, and others to the mount itself. I am partial to mounting on the telescopes equatorial mount. I also prefer a swivel type mount for the camera itself. Mounting on the telescopes equatorial mount prevents need to offset camera weight by resetting the balance weight, and cuts down on vibration when you set and trip your shutter manually.</strong><br />
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<strong>The best and easiest photographs are taken with an old fashioned film camera such as my father had purchased. These can be bought through E-Bay and other online sources. Look for an SLR type Camera, either of the following will do: Minolta SRT 101(b), Pentax K1000, Canon F-1, Nikon F2, or an Olympus OM-1. You can purchase some of them in used camera stores. These are all 35mm cameras that allow you to attach additional lenses, and I would suggest a 50mm that will give you 10.5° x 15.8° of sky coverage, which is a good field of view for a timed exposure celestial image. You will also need an 'MC Type Bayonet Mount’ for different lens attachments.</strong><br />
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<strong>Film type is another consideration, long exposure times of 5-20 minutes pick up many stars and an undesirable green cast to the picture. Some films also fail to catch the red glow in nebulas and Galaxies like the Milky Way. This is because some film manufacturers intentionally block the films red sensitivity to make it more suitable for taking normal family photographs. We've all heard about the 'red eye' effect, and this is intended to lessen the effect. Since 2005, two color films became available that are good for Piggyback shooting, they are slide films such as: Kodak's Ectachrome E200 Pro, and Fuji's Provia 400F. These are great films to use in open panorama piggyback photography.</strong><br />
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<strong>You should also consider buying a computerized telescope mount that offers tracking of the altitude and azimuth during photography. Some of these telescopes and mounts can be had for under $500.00. The Celestron and Orion brands offer good scopes with computer tracking features. This is important if you intend to take photos using long exposure times. Five to twenty minutes of open shutter exposure causes star and planet trailing, and this ruins your photographs. Short exposures can be taken either instantly (while snapping the shutter), or progressively for short periods while controlling the telescope by hand. There is a fine art to controlling and photographing by hand, but it is and can be done.</strong><br />
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<strong>Note: There is allot of information about astrophotography available. The specifics should be checked, especially if you are new to photography itself. Much quick learning can be had online for no cost whatsoever. Another option is to get involved in an astronomy club. You and the children can develop new friendships and learn through sharing with others. The photography aspect of this hobby is the best part. In order to enjoy it to the fullest, capturing the astonishing images you see, and some you can't, is the beauty of the hobby. Specific technical teachings are outside the scope of this article.</strong><br />
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<strong>Batteries are a consideration for the camera. If you have a camera brand with metering circuitry, you should buy additional batteries. Most, if not all SLT (single lens reflex) cameras have what is called 'spot or center weighted' metering. The metering device itself takes batteries; commonly the Minolta SRT uses 1.35v PX625 mercury batteries. Your camera of choice may take a different type. Just make sure you don't run out of battery power.</strong><br />
<strong>Once you have fitted your camera mount to the Equatorial Mount and purchased the items discussed, it's time to go on a trip to the mountains or desert for a photo shoot.</strong><br />
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<strong>Load up the family, bring a few friends and go have some real fun. Don’t leave out the other things you do as a family on such outdoor expeditions. I'm sure the kids will be thrilled about this trip and fall in love with astronomy. It is special just to get out into the mountains or desert with them. They will remember family trips like these for the rest of their lives. It creates bonds through memories that last forever.</strong>Larry Pricehttp://www.blogger.com/profile/04649745399773095048noreply@blogger.com0tag:blogger.com,1999:blog-8502954046385493931.post-68787589549000509942010-12-02T14:09:00.000-08:002011-01-08T13:33:55.064-08:00Celestron Advanced C-10 NG Computerized 10" Reflector Telescope <br />
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<tr><td style="text-align: center;"><a href="http://www.amazon.com/gp/product/B00009XVFH?ie=UTF8&tag=astronomychoices-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B00009XVFH">Celestron Advanced Series C10 N-GT 600 x 254mm Telescope</a><img src="http://www.assoc-amazon.com/e/ir?t=astronomychoices-20&l=as2&o=1&a=B00009XVFH" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />" imageanchor="1" style="clear: left; cssfloat: left; margin-bottom: 1em; margin-left: auto; margin-right: auto;"><img border="0" height="320" ox="true" src="http://1.bp.blogspot.com/_wHVQkbwApXg/TPgeNyOM7eI/AAAAAAAAAUQ/Xqw0xugj1Z0/s320/Celestron+Advanced+C10+N-GT+600.jpg" width="240" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="color: red; font-size: small;">Celestron Advanced C-10 NG Computerized</span></td></tr>
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<div style="text-align: center;"><span style="color: red; font-size: large;"><strong>INTERMEDIATE ASTRONOMY</strong></span></div><div style="text-align: center;"><span style="color: red; font-size: large;"><strong>OPTION FOR A GREAT PRICE</strong></span></div><div style="text-align: center;"><span style="color: red; font-size: large;"><strong>ASTROPHOTOGRAPHY</strong></span></div><div style="text-align: center;"><br />
</div><div style="text-align: left;">This telescope is a fine option for an upgrade from your beginner telescope. It offers quality optics at a very low price considering the aperture size to cost ratio.</div><div style="text-align: left;"><br />
</div><div style="text-align: left;">It's a high quality 10" Reflector with a 9x50 bidirectional finderscope. It also has a 2" focuser allowing the use of 2" and 1.25" seocondary lens eyepieces. It comes with a high quality Computerized German Equatorial Mount that includes "The Sky" Astronomy software with over 40,000 pre-programmed clelestial objectss made easy to locate using the computer finder system.</div><div style="text-align: left;"><br />
</div><div style="text-align: left;">The scope also comes with three Manuals in PDF format teaching the proper use of the Scope, Mount and Computerized features of this telescope. The mount has two high quality DC Servo motors for tracking Altitude and Azimuth allowing for smooth slew sweeps for timed exposure Astrophotography purposes. It is relatively easy to learn and offered at a wonderful savings through Amazon.com. This scope is priced at <span style="color: red;">$1,271.49</span> and ships in two to five weeks with free SuperSaver shipping. You will save <span style="color: red;">$844.46</span>, a 40% saving through Amazon.</div><div style="text-align: left;"><br />
</div><div style="text-align: left;"><span style="color: orange;"><a href="http://www.amazon.com/gp/product/B00009XVFH?ie=UTF8&tag=astronomychoices-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B00009XVFH">Celestron Advanced Series C10 N-GT 600 x 254mm Telescope</a><img src="http://www.assoc-amazon.com/e/ir?t=astronomychoices-20&l=as2&o=1&a=B00009XVFH" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />">Click here to shop and compare at Amazon.com</a></span> (Or click the image above)</div><div style="text-align: left;"><br />
</div><div style="text-align: left;"><a href="http://hubpages.com/t/1dd806">Click here</a> to read my article on how reflector telescopes work, and the superior light collection ability of a large aperture Newtonian Relector telescope design.</div><div style="text-align: left;"><br />
</div><div style="text-align: left;">Click read more below to read my article on Astrophotography methods, or the specifications and image examples available from this quality intermediate telescope.</div><a name='more'></a><div style="text-align: left;"><strong>Telescopes and Astrophotography Methods: Larry W. Price (Author)</strong></div><div style="text-align: left;"><br />
</div><strong> A view by telescope or the naked eye of our night skies is incredibly awe inspiring. To view the same on a cold dark night in the desert or on a mountaintop brings with it a longing to know more and see more. The first celestial pictures taken by my father in the 1960's were of the planets. Venus, Mercury, Jupiter, Mars and Saturn are the first pictures engraved into my memories. Later, through the use of cameras, we were able to reveal the beauty of star clusters, nebulas and gas clouds so beautiful, you could not wait to photograph more.</strong><br />
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<strong> We now have Digital CDD Cameras that are in competition with old fashioned film photography methods. Their use is viable and very competitive to film, and offer digital enhancement capability not available in film photography. There are many other advantages associated with CDD imaging that are superior to film photography. This will be discussed further in this article. There are also methods using slide film which allow you to photograph both through the lens of the telescope, and piggybacked on the scope with wide angle lens attachments that capture astral images beautifully. These methods will also be discussed within this article.</strong><br />
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<strong>To this day I have a profound interest in Astronomy, and I am nowhere near the end of learning. Such is the beauty of our universe. Learning to photograph celestial objects has become a lifelong passion, and this article is intended to trigger the same interest in you. What can be revealed by astrophotography is astoundingly beautiful, and without learning how to photograph that beauty, you will not get the pleasure of creating or viewing these images.</strong><br />
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<strong>Wide Angle Imaging Using Film Cameras</strong><br />
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<strong>For the last fifty years, film photography has been the standard for astrophotography. It is clearly superior in quality, but is losing ground in the advent of CDD quality improvements and certain advantages found in manipulating digital images. The method used is fairly straight forward and simple. Mount your camera on the telescope tube or the equatorial mount. Attach a 50mm to 300mm lens using a bayonet adapter, set your telescope upon a constellation or nebula, and open your camera shutter for a 5-10 second exposure. Many timed exposures can go 5-20 minutes or more. Sounds easy, but it’s a bit more complicated than this, but it's easy to learn the ropes.</strong><br />
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<strong>First of all you will need to purchase an equatorial mount that is computer driven. The drive mechanism should track smoothly on azimuth and altitude in order to keep the image from trailing on your film. Not all computerized mounts have the same type of tracking ability. Some claim to be computerized, and are only capable of finding a point in space that you give coordinates for. With this type of mount, you simply zero the telescope on say, the North Star (Polaris), set xy axis on that point with the computer, and then give the coordinates you wish to view. Once entered, the computer will move the scope into the position you have designated.</strong><br />
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<strong>The problem with this type of mount is that it does not have the ability to track the celestial object you have chosen, from the point the scope is pointing at your chosen object, you must manipulate the azimuth and altitude buttons on your mount control to keep it in view. You can only take snap shots through the secondary lens with the film camera and cannot set a shutter stop to get a timed exposure off these type mounts. Quick exposures are fine images, but they lack details and contrasts you get from a timed exposure. Many of the stars, Saturn ring striations and moon craters will fail to show in your photograph, simply because the shutter closes too quickly, and faint details cannot develop on the film surface.</strong><br />
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<strong>The Piggy-Back Method</strong><br />
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<strong>Once you have the appropriate computerized mount, you must adapt the mount itself to accept a special camera mounting device. These can be found by searching online, in a camera shop frequented by astronomy buffs, or by information gained through involvement with an astronomy club or association you have joined to share and learn with. Many camera shops carry mounting devices you can adapt for the purpose.</strong><br />
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<strong>I am partial to mounting on the bracket that my telescope is held onto the mount with. This position assures stability of the mount, both in the filming and tracking phase, and when you make contact with the mount yourself, either accidentally or purposefully. Mounting your camera on the telescopes tube, just aft of the secondary mirror assembly, brings balance issues into play. Those balance issues relate to the weight of the camera photography package and the available counter weights you have at your disposal. It is possible to correct the weight balance problem and common sense would apply in the solution.</strong><br />
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<strong>A good mount will allow you to attach a photography package weighing up to 90 lbs, at the rear and along the body of the telescope tube. Low end and intermediate weight capacities are 40-60 lbs respectively. The price range of adequate mounts varies by manufacturer; a low end price would be $660.00, while mid-range would go for about $1200.00. A high quality mount could run in the approximate neighborhood of $3500-$5000.00. The important thing is the materials they are manufactured of, and the slewing and tracking ability of the computerized DC Servo-motor drive system. Specifications are outside the scope of this article, but a simple online research session will turn up much needed information.</strong><br />
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<strong>Choosing A Good Camera</strong><br />
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<strong>As you can see by the written picture above, we are in fact piggy-backing a photography package on the telescope mount or tube itself. Determining what camera system and lens you will use is one of economic consideration, function and product quality. I recommend the 35mm Minolta SRT 101(b) as a very good choice. Other options would be a Pentax K1000, Canon F-1, Nikon F2, or an Olympus OM-1. These are older cameras (1960-1975 or later) and they can be found in camera shops, on E-bay, or through other online sources. I recommend them because of the quality materials used to construct them. All internal gearing and movements are made of quality machined and anodized steels, so they will last many years without wear affecting their operation. Most modern cameras are not made of such high quality materials, and will not last you nearly as long as one of these cameras. However, many newer cameras fit the bill, you just need to be informed and shop carefully.</strong><br />
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<strong>Selecting Proper Lenses</strong><br />
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<strong>An additional lens or several lenses are needed. You can take 35mm wide angle pictures thought the telescopes secondary lens for simplified near earth planet or star image creation. This is a beginner option for you to consider until you have made up your mind to upgrade further. However, quality imaging comes from using lenses with a focal length of 50mm-300mm, each having an advantage by giving you a larger or smaller swath of sky to photograph, and more light gathering capability.</strong><br />
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<strong>An 85mm or a 135mm telephoto lens brings a realm of targets before your eye, and they are ideal for framing and shooting timed exposures of Milky Way star clouds, nebulas and star clusters. Any object you can see with the naked eye or with binoculars is a target for piggy-back telephoto lens photography. The Crab Nebula in Taurus, the Ring Nebula in Lyra and Hercules are suitable subjects. In addition to these lens options, you will need the appropriate adapters, ring or bayonet type for attaching your lenses to the camera.</strong><br />
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<strong>Selecting The Proper Film</strong><br />
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<strong>Piggy-back astrophotography can produce disappointing picture quality when you use the wrong film. Long exposure times while photographing an image can create a green cast on the picture. Additionally, some film manufacturers intentionally block their films red sensitivity because of redeye. The manufacturer wants the film to suppress the redeye effect when it's used to take pictures of people. Since 2005, the best film to use for astrophotography is slide film produce by Kodak. The Kodak Ecktachrome and Fuji Provia 400F films are best to use.</strong><br />
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<strong>Wide Angle Imaging Using CDD Cameras</strong><br />
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<strong>About twenty years ago, digital CDD imaging became available at a very basic level. The first cameras were aimed at amateur astral photography and were not of high quality. There is a basic picture resolution difference between the digital image capability of the early CDD cameras and film. Film has a much higher resolution because it derives its picture from tiny particles of silver embedded on the film surface. Film also has the capability to continuously collect pinpoints of light during open shutter exposure to the astral plane. Meaning, with the shutter open for a defined period of time, while aimed towards the open sky, it will collect and define an image in much higher resolution than the early digital cameras.</strong><br />
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<strong>The early CDD Camera was an ST-6 Model produced by SBIG (Santa Barbara Instrument Group) and had a pixel resolution of 23 X 27 Microns, which was not good for taking quality images of the sky. The size of the cameras silicon collector chip was to small to produce fine images, but SBIG realized the future these cameras would have and went on to develop the new platform This camera was capable of producing acceptable images when used with telescopes that have a long focal length however, and they took a foothold with astronomers of all types.</strong><br />
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<strong>The ST-6's silicon collector chip had a pickup resolution of 6.5 X 8.6mm, which was improved from 1990-2001, with the release of the ST-7 through ST-10. The ST-10 had a collector chip that used an 8.6 micron square chip. A very large improvement came through this development and a larger group of astronomers embraced the new technology. For the most part, these cameras need to be manipulated using various methods to get fine results. The methods used to take photographs using CDD Cameras is varied, as the following discussion will show.</strong><br />
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<strong>Piggy-Back CDD Astrophotography</strong><br />
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<strong>Piggy-Back means again, joining the camera to the tube of your telescope by buying or creating a mount specifically for that purpose. The available CDD cameras have varying configurations, and a mount may have to be designed and developed by you. If you don't have such ability, you can shop online by inquiry through Google to find out what devices are available for what camera, and buy your CDD Camera accordingly. These will be after market devices developed and sold by individual astronomers. Basic mounting devices can be purchased through camera shops, you should look for a mount the has a Ball-Swivel feature, that allows you to swivel the camera to a desired attitude.</strong><br />
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<strong>Once you have the appropriate mounting device for the camera, you need to develop or find a manufactured lens mount (sled or bayonet type), that allows you to mount lenses in the range of 50-300mm. You don't need to purchase all these lenses, but a 180mm will do for starters, and will give you a wide swath of sky to photograph. This lens coupled with an SBIG ST-7 will give you about 1.5° X 2.2° of sky, and the ST-10 provides 3.2° X 4.7° of sky coverage. You will also need to purchase a hydrogen-alpha filter to place between the 180mm lens and the silicon collector cell of the camera. This is because CDD collectors are very sensitive to the amplified light focused by the attached lens, and will saturate without a filter.</strong><br />
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<strong>The mechanics of all this are outside the scope of this primer, but more information is easily found online, especially if you inquire through a search engine using the terminology learned here. Visual images can be seen, email conversations can be had, and proper decisions can then be made. Pricing is also outside the scope of this article, but it is safe to say you get what you pay for in quality. Computer Driven Equatorial Mounts can range in price from $1200.00 to $5000.00. The cameras discussed and the accessories can range from $1000.00 to $1500.00. This is a very wonderful hobby and any costs are well worth the investment, and will give many returns to you and your family in the future.</strong><br />
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<strong>Having all this together, we then go into the field. Plan a camping trip for a few days, and bring the kids and other hobby friends with you. This is a great opportunity for quality time. You should have a computerized telescope capable of zeroing and following azimuth and altitude, as we have discussed above, and the equatorial mount or telescope tube should be retrofitted to allow mounting the camera and lens attachments. Secure your scope, mount the camera accordingly, and zero the scope on Polaris for computer reference purposes. Direct you computer accordingly, to the nebula you wish to photograph. Once you are viewing it through your telescope it is time to aim the camera and select a shutter stop setting. Trigger the shutter for the experimental time you wish and watch your digital view develop on your camera.</strong><br />
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<strong>All digital cameras have a wonderful advantage to film. That is, you don't have to keep any one picture. If it's flawed, discard the image, simple as that. Tinker and learn until you have developed your skills. This certainly will spoil you and the children. Your friends will be amazed to no end. Additional advantage in the digital age comes from the ability to view your images as they are collecting. Your camera will have a digital display and accessory output you can direct to a computer for high resolution digital displays. With a laptop on site, you can manipulate your images after capture using Adobe Photoshop®, AIP® for Windows® or StellaImage®. Color imaging can be enhanced by using small color filters placed between the lens and camera silicon collector cell, as needed. You could use a filter wheel to rotate appropriate filters before the collector and shoot individual exposures, adding RBG and CMY attributes. Having done so, you can then layer these images to produce "astral art" you can show off and be very proud of.</strong><br />
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<strong>Conclusion</strong><br />
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<strong>I hope this article has informed and encouraged you. Simple astronomy is a great and beautiful hobby that can be shared with family and friends. And, astrophotography multiplies enjoyment and creativity. It truly brings out what the naked eye and telescope cannot, and that is the absolute beauty of our universe. In that you will get a permanent record of your images, you get to share each for years to come. The quality of learning through interaction is so great that your children will be drawn to astronomy, and the bonds you will develop by this are everlasting.</strong><br />
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<strong>Good luck in this new aspect of the hobby.</strong><br />
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<strong>I wish you the best in developing needed skills, and hope you enjoy it as much as I have for so many years.</strong><br />
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<span style="color: red;"><strong>Specifications of Celestron Telescope:</strong></span><br />
<strong><br />
</strong><br />
<strong></strong><br />
<div class="lineLabel"><strong><span style="color: red;">Optical Design: </span></strong></div><div class="lineValue"><strong><span style="color: red;">Reflector </span></strong></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Aperture: </span></strong></div><div class="lineValue"><strong><span style="color: red;">254 mm<span class="small"> (10 in)</span> </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Focal Length: </span></strong></div><div class="lineValue"><strong><span style="color: red;">1200 mm<span class="small"> (47.24 in)</span> </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Focal Ratio: </span></strong></div><div class="lineValue"><strong><span style="color: red;">4.72 </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Finderscope: </span></strong></div><div class="lineValue"><strong><span style="color: red;">9x50 </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Mount: </span></strong></div><div class="lineValue"><strong><span style="color: red;">CG-5 Equatorial </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Eyepiece 1: </span></strong></div><div class="lineValue"><strong><span style="color: red;">20 mm<span class="small"> (0.79 in)</span> </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Magnification 1: </span></strong></div><div class="lineValue"><strong><span style="color: red;">60 x </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Accessory Tray: </span></strong></div><div class="lineValue"><strong><span style="color: red;">Yes </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Tripod: </span></strong></div><div class="lineValue"><strong><span style="color: red;">2 inch Stainless Steel </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">CD ROM: </span></strong></div><div class="lineValue"><strong><span style="color: red;">"The Sky<sup>®</sup>" Level 1 </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Power Supply: </span></strong></div><div class="lineValue"><strong><span style="color: red;">Car Battery Adapter </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Highest Useful Magnification: </span></strong></div><div class="lineValue"><strong><span style="color: red;">600 x </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Lowest Useful Magnification: </span></strong></div><div class="lineValue"><strong><span style="color: red;">36 x </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Limiting Stellar Magnitude: </span></strong></div><div class="lineValue"><strong><span style="color: red;">14.5 </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Resolution (Rayleigh): </span></strong></div><div class="lineValue"><strong><span style="color: red;">0.55 arcsec </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Resolution (Dawes): </span></strong></div><div class="lineValue"><strong><span style="color: red;">0.46 arcsec </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Photographic Resolution: </span></strong></div><div class="lineValue"><strong><span style="color: red;">425 line/mm </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Light Gathering Power: </span></strong></div><div class="lineValue"><strong><span style="color: red;">1317 x </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Angular Field of View: </span></strong></div><div class="lineValue"><strong><span style="color: red;">0.83 ° </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Linear Field of View (@1000 yds) : </span></strong></div><div class="lineValue"><strong><span style="color: red;">44 ft<span class="small"> (13.41 m)</span> </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Optical Coatings: </span></strong></div><div class="lineValue"><strong><span style="color: red;">Aluminum </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Secondary Mirror Obstruction: </span></strong></div><div class="lineValue"><strong><span style="color: red;">2.3 in<span class="small"> (58.42 mm)</span> </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Secondary Mirror Obstruction by Area: </span></strong></div><div class="lineValue"><strong><span style="color: red;">5.3 % </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Secondary Mirror Obstruction by Diameter: </span></strong></div><div class="lineValue"><strong><span style="color: red;">23 % </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Optical Tube Length: </span></strong></div><div class="lineValue"><strong><span style="color: red;">45 in<span class="small"> (1143 mm)</span> </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Telescope Weight: </span></strong></div><div class="lineValue"><strong><span style="color: red;">94 lbs<span class="small"> (42.64 kg)</span> </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Counterweights: </span></strong></div><div class="lineValue"><strong><span style="color: red;">3-11lb </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Motor Drive: </span></strong></div><div class="lineValue"><strong><span style="color: red;">DC Servo motors with encoders, both axes </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Computer Hand Control: </span></strong></div><div class="lineValue"><strong><span style="color: red;">Double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Slew Speeds: </span></strong></div><div class="lineValue"><strong><span style="color: red;">3°/sec </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Tracking Rates: </span></strong></div><div class="lineValue"><strong><span style="color: red;">Sidereal, Solar and Lunar </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Tracking Modes: </span></strong></div><div class="lineValue"><strong><span style="color: red;">EQ North and EQ South </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Alignment Procedures: </span></strong></div><div class="lineValue"><strong><span style="color: red;">AutoAlign, 2-Star Alignment, Quick Align </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Software Precision: </span></strong></div><div class="lineValue"><strong><span style="color: red;">24bit, 0.08 arcsec calculation </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Communication Ports: </span></strong></div><div class="lineValue"><strong><span style="color: red;">RS-232 communication port on hand control </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Motor Ports: </span></strong></div><div class="lineValue"><strong><span style="color: red;">Aux Port, Autoguide Ports </span></strong></div></div><div class="lineItem"><div class="lineLabel"><strong><span style="color: red;">Database: </span></strong></div><div class="lineValue"><strong><span style="color: red;">40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects </span></strong></div></div><div class="productFrame" id="idTab16"><div class="product_thumb"><strong><span style="color: red;"><img alt="C10-NGT Computerized Telescope" src="http://www.celestron.com/c3/images/files/product/tn_11048_c10ngt_large.gif" /></span></strong><br />
<strong><span style="color: red;">C10-NGT Computerized Telescope</span></strong><br />
<strong><span style="color: red;"><span class="productSKU">Item #11048</span> </span></strong></div><h2><span style="color: red;">2-year Telescope Warranty</span></h2></div><div class="productFrame" id="idTab4"><div class="product_text_wide"><strong><span style="color: red;">CELESTRON TWO YEAR LIMITED WARRANTY </span></strong><br />
<strong><span style="color: red;">A. Celestron warrants your telescope to be free from defects in materials and workmanship for two years. Celestron will repair or replace such product or part thereof which, upon inspection by Celestron, is found to be defective in materials or workmanship. As a condition to the obligation of Celestron to repair or replace such product, the product must be returned to Celestron together with proof-of-purchase satisfactory to Celestron. </span></strong><br />
<strong><span style="color: red;">B. The Proper Return Authorization Number must be obtained from Celestron in advance of return. Call Celestron at (310) 328-9560 to receive the number to be displayed on the outside of your shipping container. </span></strong><br />
<strong><span style="color: red;">All returns must be accompanied by a written statement setting forth the name, address, and daytime telephone number of the owner, together with a brief description of any claimed defects. Parts or product for which replacement is made shall become the property of Celestron. </span></strong><br />
<strong><span style="color: red;">The customer shall be responsible for all costs of transportation and insurance, both to and from the factory of Celestron, and shall be required to prepay such costs. </span></strong><br />
<strong><span style="color: red;">Celestron shall use reasonable efforts to repair or replace any telescope covered by this warranty within thirty days of receipt. In the event repair or replacement shall require more than thirty days, Celestron shall notify the customer accordingly. Celestron reserves the right to replace any product which has been discontinued from its product line with a new product of comparable value and function. </span></strong><br />
<strong><span style="color: red;">This warranty shall be void and of no force of effect in the event a covered product has been modified in design or function, or subjected to abuse, misuse, mishandling or unauthorized repair. Further, product malfunction or deterioration due to normal wear is not covered by this warranty. </span></strong><br />
<strong><span style="color: red;">CELESTRON DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WHETHER OF MERCHANTABILITY OF FITNESS FOR A PARTICULAR USE, EXCEPT AS EXPRESSLY SET FORTH HEREIN. THE SOLE OBLIGATION OF CELESTRON UNDER THIS LIMITED WARRANTY SHALL BE TO REPAIR OR REPLACE THE COVERED PRODUCT, IN ACCORDANCE WITH THE TERMS SET FORTH HEREIN. CELESTRON EXPRESSLY DISCLAIMS ANY LOST PROFITS, GENERAL, SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES WHICH MAY RESULT FROM BREACH OF ANY WARRANTY, OR ARISING OUT OF THE USE OR INABILITY TO USE ANY CELESTRON PRODUCT. ANY WARRANTIES WHICH ARE IMPLIED AND WHICH CANNOT BE DISCLAIMED SHALL BE LIMITED IN DURATION TO A TERM OF TWO YEARS FROM THE DATE OF ORIGINAL RETAIL PURCHASE. </span></strong><br />
<strong><span style="color: red;">Some states do not allow the exclusion or limitation of incidental or consequential damages or limitation on how long an implied warranty lasts, so the above limitations and exclusions may not apply to you. </span></strong><br />
<strong><span style="color: red;">This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. </span></strong><br />
<strong><span style="color: red;">Celestron reserves the right to modify or discontinue, without prior notice to you, any model or style telescope. </span></strong><br />
<strong><span style="color: red;">If warranty problems arise, or if you need assistance in using your telescope contact: </span></strong><br />
<strong><span style="color: red;">Celestron</span></strong><br />
<strong><span style="color: red;">Customer Service Department</span></strong><br />
<strong><span style="color: red;">2835 Columbia Street</span></strong><br />
<strong><span style="color: red;">Torrance, CA 90503</span></strong><br />
<strong><span style="color: red;">Tel. (310) 328-9560</span></strong><br />
<strong><span style="color: red;">Fax. (310) 212-5835 </span></strong><br />
<strong><span style="color: red;">Monday-Friday 8AM-4PM PST </span></strong><br />
<strong><span style="color: red;">NOTE: This warranty is valid to U.S.A. and Canadian customers who have purchased this product from an authorized Celestron dealer in the U.S.A. or Canada. Warranty outside the U.S.A. and Canada is valid only to customers who purchased from a Celestron's International Distributor or Authorized Celestron Dealer in the specific country. Please contact them for any warranty service. </span></strong></div></div><div class="productFrame" id="idTab6"><div class="product_thumb"></div></div><strong><span style="color: red;"></span></strong><br />
<strong><span style="color: red;">Specifications:</span></strong><br />
<strong><br />
<span style="color: red;"></span></strong><br />
<div class="product_text"><strong><span style="color: red;">The C10-NGT is the largest computerized Newtonian in its class with 178% more light gathering than the 6 inch model and almost twice the resolving power. The optics of the C10-N telescope are manufactured to Celestron‘s uncompromising standards. The C10-N uses diffraction-limited parabolic primary mirrors for razor sharp star images across a wide field of view. This telescope is mounted on the very rigid computerized CG-5 German Equatorial mount. </span></strong><br />
<strong><span style="color: red;">A counterweight, latitude scale, setting circles, and slow motion controls on both axes are standard. Includes premium accessories including a 9x50 finderscope with bi-directional alignment screws and a spring loaded pivot support, 20mm Plössl 1-1/4" eyepiece, 2" focuser, accessory tray and more, so you have a fully loaded telescope right from the start. </span></strong><br />
<div align="left" class="pd3LR"><strong><span style="color: red;"><span class="hdg18_Org"><span class="hdg18_Org">Mounted on the</span> Advanced GT Series computerized mount, this telescope has some high performance software and hardware features. Operated by our proven NexStar<sup>®</sup> computer control technology the telescope has a 40,000+ object database with 100 user-definable objects and expanded information on over 200 objects. Custom database lists of all the most famous deep-sky objects by name and catalog number; the most beautiful double, triple and quadruple stars; variable star; solar systems; objects and asterisms.</span> </span></strong></div><div align="left" class="pd3LR"><strong><span style="color: red;">Using the RS-232 communication port on the hand control, you can control the telescope via a personal computer and our new flash upgradeable hand controls allow you to update your telescope's operating software via the internet. An autoguider port is also included for astrophotography. </span></strong></div><strong><span style="color: red;">CG-5 Mount - Precision engineered for stability. </span></strong><br />
<strong><span style="color: red;">Our new German Equatorial mount has precision worm gears on both axes for extremely smooth stability. The key element that makes this system the most stable in its class is the NEW heavy-duty tripod with larger and more substantial legs that offer excellent damping characteristics for more stable views. The CG-5 also has a convenient latitude scale for easier alignment and an optional polar finder scope for the ultimate in precision alignment.</span></strong><br />
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</div>Larry Pricehttp://www.blogger.com/profile/04649745399773095048noreply@blogger.com0tag:blogger.com,1999:blog-8502954046385493931.post-54599402609296713672010-12-02T10:43:00.000-08:002011-01-08T14:02:34.791-08:00Telescopes Astronomy and Cameras - A Heaven Sent Family Hobby<div class="separator" style="clear: both; text-align: center;"></div><strong> Quality time spent with our children and loved ones is invaluable in this day and age. We should all have a goal to share time with loved ones, as well as friends and acquaintances. Astronomy is a hobby that can be used to further the goal of spending quality time with family, and educate them not just about our very small world, but our universe as well. Whether you believe in the Big Bang theory or Creation, the universe is an astounding gift filled with awe and beauty. If you dabble in astrology, you will be amazed at what the heavens have to offer you in a quest to see related constellations and planetary positions throughout the year. This article is intended to promote astronomy as a shared family hobby. I was blessed enough to enjoy this as a child, and later as an adult.</strong><br />
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<a name='more'></a><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><strong>My Personal Experience</strong></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><strong><br />
</strong></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><strong> As children, our father introduced all six of us at an early age to the "wonders of astronomy" with the use of telescopes and later, camera photography of heavenly near and far objects. The first purchase was a 3" Refractor Telescope with two extra lenses. We were deeply awed by the moon, planets, star clusters and constellations observed through this small telescope. There is not one of us kids who would not later observe the heavens and site planets, common star clusters and constellations visible to the naked eye and not name them all correctly.</strong></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><br />
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</div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"> <strong>Later, our father built a 10" Reflector Telescope with a longer focal length, which took us to new dimensions allowing us to see deeper into space with more detail and resolution. He hand ground the lens creating a concave mirror, rolled the tube, built the brackets and telescope mount. After this he added tracking motors and a camera attachment for celestial photography. The heavens were opened up exposing a beauty we all carry in our hearts to this very day.</strong></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><strong><br />
</strong></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><strong>Is This Real Quality Time?</strong></div><strong><br />
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<div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><strong> Effective quality time can be measured. Are we doing things as a group? Is this a valuable learning experience? Do emotions come into play that can be shared and remembered by everyone involved? Are you exciting their enthusiasm in a way that is obvious and apparent? These are assessment variables which in this case will be answered with a resounding yes. The beauty and splendor of the universe will fascinate your children and friends. Astronomy will never be seen as a wasted investment either in time, or money.</strong></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><strong><br />
</strong></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><strong>Choosing the Right Telescope</strong></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><strong><br />
</strong></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><strong> If you are going to involve yourself personally and use this as a real opportunity to teach your children, and enjoy the reward of embedding lifelong memories they will always remember, then buy a good intermediate grade telescope. There are many manufacturers to choose from when you buy online. Orion makes a 4" and 6" Reflector telescope starting at about $300.00. It is a portable and well built product that will last for many years. Portability is very important because quality time can include bringing the telescope on family excursions to the mountains and deserts. Viewing and later photography (if you upgrade), is better in these locations because there is much less ambient light to interfere with viewing and photography. The quality of celestial views and the photographs (time exposed), are excellent and will be shared and talked about for years to come.</strong></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><strong><br />
</strong></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><strong> In conclusion I want to impress deeply that astronomy as a family hobby will be exceptionally rewarding for all of you. It will build memories and learning that are precious and everlasting. There are several telescopes in my family. We have all been touched by the beauty of astronomy and the universe. We also share emotional attachments derived from many group experiences together while camping in the desert and mountains, getting up late at night and viewing the heavens. Photography using attached cameras provide solid memorabilia that when viewed later, bring back all of these wonderful and enduring memories.</strong><br />
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<strong>Visit my full site area: <a href="http://telescope-and-mount-sales.blogspot.com/">Quality Telescopes and Mounts</a> Have a wonderful holiday season and God bless all of you.</strong></div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"></div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"></div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"></div>Larry Pricehttp://www.blogger.com/profile/04649745399773095048noreply@blogger.com0tag:blogger.com,1999:blog-8502954046385493931.post-41748311833809952932010-12-02T10:40:00.000-08:002011-01-08T14:04:56.117-08:00Celestron C9.25" SCT Aluminum Optical Tube with CG-5 Dovetail 91025-XLT<div class="separator" style="clear: both; text-align: center;"><a href="http://www.amazon.com/gp/product/B003S6PHXI?ie=UTF8&tag=arcasafamhob-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B003S6PHXI">Celestron C9.25 SCT Aluminum Optical Tube with CG-5 Dovetail 91025-XLT</a><img src="http://www.assoc-amazon.com/e/ir?t=arcasafamhob-20&l=as2&o=1&a=B003S6PHXI" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />" style="clear: left; cssfloat: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="220" ox="true" src="http://3.bp.blogspot.com/_wHVQkbwApXg/TPvonMD2bCI/AAAAAAAAAU8/J94dVTWI6yg/s320/Celestron+6+Inch+Optical+Tube+Assembly.bmp" width="320" /></a><strong><span style="color: cyan;"></span></strong></div><strong><span style="color: cyan;"> </span></strong><br />
<div align="center"><strong><span style="color: red;">PROFESSIONAL OPTICS</span></strong></div><div align="center"><strong><span style="color: red;">AN INVESTMENT IN FAMILY</span></strong></div><div align="center"><strong><span style="color: red;">LEARNING THAT WILL LAST A</span></strong></div><div align="center"><strong><span style="color: red;">LIFETIME</span></strong></div><div align="left"><br />
</div><div align="left"><strong>This Telescope tube assembly is the match for the German Equitorial Mount feathured below. This is a 9.25" Schmidt-Cassegrain Optical Reflector Tube that is high quality and will last a lifetime. </strong></div><div align="left"><br />
</div><div align="left"><strong>You must look at this as an investment in a <span style="color: white;">hobby for the whole family. Amazon.com is presenting this telescope at an amazing price of:</span></strong><span style="color: white;"> <strong>$ 1,432.56 and that is a real bargain. The hobby of Astronomy will astound you and your family. Purchase of a quality instrument will be an investment in you and your childrens future. Astrophotography is an astounding and facinating hobby. Trips to the mountains and desert as camping and astronomy adventures will be remembered for a lifetime. The bonds created by the experiences and interactive moments will be very rewarding and always charished.</strong></span><br />
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<strong>To check out the offer at Amazon.com, please click on the image above. By clicking "Read more" below, you can read technical information and specifications. Images taken from this scope are included in the series of information too.</strong></div><div align="left"><br />
</div><a name='more'></a><div align="left"><strong><span style="color: red;">Overview of Telescope resolution:</span></strong></div><span class="mediumtext"><span style="font-family: Arial;"><span style="color: cyan;"><strong> <span style="color: red;"> While small telescopes can show a lot of objects, they may only be seen as colorless dots or smudges. Size does matter in astronomy: bigger is better in many cases.</span></strong></span></span><span style="color: red;"><span style="font-family: Arial;"><strong>The larger the lens or mirror diameter or aperture, the more light your scope gathers and the higher resolution (ability to see fine detail) it has. Larger scopes also have longer focal lengths, meaning greater magnifications and image sizes are possible with both the eye and cameras. Faint objects like nebulae and galaxies demand large-aperture scopes. Planets need longer focal lengths for higher magnification views and large apertures for high resolution.</strong></span><span style="font-family: Arial;"><strong>Nonetheless, here are some recommendations for specific scopes versus specific types of astronomical objects and observing.</strong></span><span style="font-family: Arial;"><strong>The sun: a small scope properly equipped with a full-aperture solar filter will provide very good views of the sun under typical daytime seeing (atmospheric steadiness) conditions. A moderate focal length will reveal granulations and sunspot details with your eyepieces. Apertures of 6 inches (150mm) or less and focal lengths of 1000 to 1500mm are good for looking at the closest star.</strong></span><span style="font-family: Arial;"><strong>The planets. Here you’ll want a long focal length to take advantage of high magnifications (when the atmosphere is steady enough to use them) to see details in Jupiter’s clouds, Mars’ features, etc. A large aperture is also great for high resolution when using the high magnifications. So the bigger the scope, the better to take advantage of good seeing for planetary viewing. Big scopes will also let you see faint Pluto, planetary satellites and minor planets. The best scopes are at least 5” (125mm) aperture and 1250mm focal length or more.</strong></span><span style="font-family: Arial;"><strong>Open (galactic) clusters. Except for the very biggest and brightest clusters (the Pleiades, Hyades, Beehive, Coma Cluster, etc.), you’ll want as large an aperture as you can get and moderate to long focal length as well for the most interesting and field-filling views. The best scopes are at least 5” (125mm) aperture and 1250mm focal length or more.</strong></span><span style="font-family: Arial;"><strong>Globular clusters. While pleasing views can be had with smaller apertures, in order to resolve the cores of many of these clusters, you’ll need scopes on the order of 11 inches (280mm) or larger. And correspondingly long focal lengths as well of 1500mm or longer to provide the needed magnification.</strong></span></span><strong><span style="color: red;"><span style="font-family: Arial;">Nebulae vary enormously in size and brightness. The bright, big ones like the Great Nebula in Orion are actually best seen in relatively small scopes. Larger scopes on this and other objects of its class will reveal details that can’t be seen in smaller scopes. The only sacrifice going to larger scopes is the loss of a wide field of view encompassing the entire nebula. (This is because they will usually have longer focal lengths, resulting in higher magnifications and smaller fields of view with typical eyepieces.) For bright nebulae, choose medium aperture scopes with relatively short focal lengths to capture the entire gas-dust cloud at once. Use apertures of 5-8 inches (125 to 200mm) with focal lengths of 1000mm or less. On the other hand, faint nebulae demand all you can give them in terms of aperture just to capture enough light to see them. Some are also very large – degrees across. Use scopes of at least 8 inches (200mm) and focal lengths of less than a 1000mm for faint, big nebulae. For faint and small nebulae, at least 8 inches and focal lengths of 1000mm or more are recommended.<br />
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Planetary nebulae: large scopes with long focal lengths are superior. Faint central stars are visually challenging in even the very largest amateur scopes. Use at least 11 inches (280mm) aperture and 2000mm focal length or greater for best results.</span><span style="font-family: Arial;">Galaxies simply demand large apertures and longer focal lengths. With a very few exceptions, they are so far away and so faint that small telescopes will only show them as smudges. If you are a wannabe galaxy hunter, don’t start out with anything less than 8-11 inches (200 to 280mm) to be able to see details in these other </span><span style="font-family: Arial;">Milky Ways</span><span style="font-family: Arial;">.</span><span style="font-family: Arial;"> </span></span></strong></span><br />
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<strong><span style="color: cyan;"> </span><span style="color: red;">Actual Image Capability:</span></strong><br />
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<strong>Optical Design: </strong></div><div class="lineValue">Schmidt-Cassegrain</div><div class="lineValue"></div></div><div class="lineItem"><div class="lineLabel"><strong>Dovetail Compatibility: </strong></div><div class="lineValue">CG-5 Mount</div><div class="lineValue"></div></div><div class="lineItem"><div class="lineLabel"><strong>Aperture:</strong></div><div class="lineLabel"></div><div class="lineValue">234.95 mm<span class="small"> (9.25 in)</span> </div></div><div class="lineItem"><div class="lineLabel"><strong>Focal Length:</strong></div><div class="lineLabel"></div><div class="lineValue">2350 mm<span class="small"> (92.52 in)</span> </div></div><div class="lineItem"><div class="lineLabel"><strong>Focal Ratio:</strong></div><div class="lineLabel"></div><div class="lineValue">10 </div></div><div class="lineItem"><div class="lineLabel"><strong>Finderscope:</strong></div><div class="lineLabel"></div><div class="lineValue">6x30 </div></div><div class="lineItem"><div class="lineLabel"><strong>Optical Tube:</strong></div><div class="lineLabel"></div><div class="lineValue">Aluminum </div></div><div class="lineItem"><div class="lineLabel"><strong>Eyepiece 1:</strong></div><div class="lineLabel"></div><div class="lineValue">25 mm<span class="small"> (0.98 in)</span> </div></div><div class="lineItem"><div class="lineLabel"><strong>Magnification 1:</strong></div><div class="lineLabel"></div><div class="lineValue">94 x </div></div><div class="lineItem"><div class="lineLabel"><strong>Star Diagonal:</strong></div><div class="lineLabel"></div><div class="lineValue">1.25 </div></div><div class="lineItem"><div class="lineLabel"><strong>Optical Coatings:</strong></div><div class="lineLabel"></div><div class="lineValue">StarBright / XLT </div></div><div class="lineItem"><div class="lineLabel"><strong>Secondary Mirror Obstruction:</strong></div><div class="lineLabel"></div><div class="lineValue">3.35 in<span class="small"> (85.09 mm)</span> </div></div><div class="lineItem"><div class="lineLabel"><strong>Secondary Mirror Obstruction by Area:</strong></div><div class="lineLabel"></div><div class="lineValue">13.1 % </div></div><div class="lineItem"><div class="lineLabel"><strong>Secondary Mirror Obstruction by Diameter:</strong></div><div class="lineLabel"></div><div class="lineValue">36.2 % </div></div><div class="lineItem"><div class="lineLabel"><strong>Optical Tube Length:</strong></div><div class="lineLabel"></div><div class="lineValue">22 in<span class="small"> (558.8 mm)</span> </div></div><div class="lineItem"><div class="lineLabel"><strong>Optical Tube Weight:</strong></div><div class="lineLabel"></div><div class="lineValue">20 lbs<span class="small"> (9.07 kg)</span> </div></div></div><div class="productFrame" id="idTab16"><div class="product_thumb"><img alt="C9 1/4-A XLT (CG-5) Optical Tube Assembly" src="http://www.celestron.com/c3/images/files/product/tn_91025-XLT_c914axlt_large.gif" /><br />
<strong>C9 1/4-A XLT (CG-5) Optical Tube Assembly</strong><br />
<span class="productSKU">Item #91025-XLT</span> </div></div>Larry Pricehttp://www.blogger.com/profile/04649745399773095048noreply@blogger.com0tag:blogger.com,1999:blog-8502954046385493931.post-63158964356314352102010-12-02T10:15:00.000-08:002011-01-08T14:39:14.725-08:00Celestron CG 5C German Computerized Goto Equitorial Mount WithTripod<div style="text-align: center;"><span style="font-size: x-large;"><span style="color: red;"><strong>GREAT MOUNT AT GREAT PRICE PRICE SAVINGS</strong></span></span></div><br />
<div class="separator" style="clear: both; text-align: center;"><a href="http://www.amazon.com/gp/product/B0001NMGY4?ie=UTF8&tag=arcasafamhob-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B0001NMGY4">Celestron CG-5C Computerized GoTo Equatorial Mount with Tripod.</a><img src="http://www.assoc-amazon.com/e/ir?t=arcasafamhob-20&l=as2&o=1&a=B0001NMGY4" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />" style="clear: left; cssfloat: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="320" n4="true" src="http://3.bp.blogspot.com/_wHVQkbwApXg/TQP02MfGaFI/AAAAAAAAAYI/oaqovN2AnRU/s320/Celestron+CG+5C+Computerized+Equitorial+Mount.jpg" width="320" /></a></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><span style="color: orange;"></span><span style="color: orange;"><strong>Looking for a great intermediate mount for an exceptional price advantage? This Equitorial mount is a comes with many professional features. This mount has a GPS positioning system that always knows where it's at. Simply level it and zero on polaris, and it will go to any object in it's computer database automatically.</strong></span></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><br />
</div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><strong><span style="color: orange;">This equitorial mount is a mid-range version of the German Equitorial Mount below. It is of high quality and very affordable for the intermediate Astrophotographer.</span></strong></div><span style="color: orange;"><br />
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<strong><span style="color: orange;">Like the high end Computerized german equitorial mount shown below, it has the ability to find 80,000 celestial objects automatically. It uses software directed slew and positioning, and can track altitude and azimuth for viewing and photography ease.</span></strong><br />
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<span style="color: blue;"><strong><span style="color: orange;">Current pricing at Amazon.com is</span></strong> <strong><span style="color: red;">$</span> <span style="color: red;">689.95</span></strong> </span><strong><span style="color: orange;">you save <span style="color: red;">$560.00 (45%)</span> and it comes with free super saver shipping. </span></strong><span style="color: orange;"><strong>Click here to Shop Now:</strong> </span><strong><span style="color: orange;"> </span><a href="http://www.amazon.com/gp/product/B0001NMGY4?ie=UTF8&tag=arcasafamhob-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B0001NMGY4">Celestron CG-5C Computerized GoTo Equatorial Mount with Tripod.</a><img src="http://www.assoc-amazon.com/e/ir?t=arcasafamhob-20&l=as2&o=1&a=B0001NMGY4" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />"><span style="color: red;"><span style="color: red;">Shop Amazon save 54% today</span></span></a></strong><br />
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<strong><span style="color: red;">Click read more below to view specifications:</span></strong><br />
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<a name='more'></a><strong><span style="color: red;"><strong>CG-5 Computerized — GoTo convenience and GPS compatibility for precision accuracy</strong> <br />
We are proud to offer a computerized GoTo version of Celestron's sturdy CG-5 mount. Couple this solid mount with the included computerized control system to utilize many of the same functions and features — like the NexStarcomputer control system and an Autoguider port for long exposure deep sky astrophotography — as Celestron's most advanced GoTo telescopes. <br />
GoTo models are also upgradeable to GPS with the optional CN16 GPS Accessory (#93966) allowing your telescope to pinpoint your position on the earth, the date and <br />
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<strong>CG-5 Computerized Mount - General Features</strong> </span><br />
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<strong>Celestron Accessories Two Year Limited Warranty</strong> <br />
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A. Celestron warrants its accessories to be free from defects in materials and workmanship for two years. Celestron will repair or replace such product or part thereof which, upon inspection by Celestron, is found to be defective in materials or workmanship. As a condition to the obligation of Celestron to repair or replace such product, the product must be returned to Celestron together with proof-of-purchase satisfactory to Celestron.<br />
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B. The proper Return Authorization Number must be obtained from Celestron in advance of return. Call Celestron at (310) 328-9560 to receive the number to be displayed on the outside of your shipping container.<br />
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All returns must be accompanied by a written statement setting forth the name, address and daytime telephone number of the owner, together with a brief description of any claimed defects. Parts or product for which replacement is made shall become the property of Celestron.<br />
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The customer shall be responsible for all costs of transportation and insurance, both to and from the factory of Celestron, and shall be required to prepay such costs.<br />
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Celestron shall use reasonable effort to repair or replace any accessory covered by this warranty within thirty days of receipt. In the event repair or replacement shall require more than thirty days, Celestron shall notify the customer accordingly. Celestron reserves the right to replace any product which has been discontinued from its product line with a new product of comparable value and function.<br />
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This warranty shall be void and of no force of effect in the event a covered product has been modified in design or function, or subjected to abuse, misuse, mishandling or unauthorized repair. Further, product malfunction or deterioration due to normal wear is not covered by this warranty. <br />
Celestron disclaims any warranties, express or implied whether of merchantability or fitness for a particular use, except as expressly set forth herein.<br />
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The sole obligation of Celestron under this limited warranty shall be to repair or replace the covered product, in accordance with the terms set forth herein. Celestron expressly disclaims any lost profits, general, special, indirect or consequential damages which may result from breach of any warranty, or arising out of the use or inability to use any Celestron product. Any warranties which are implied and which cannot be disclaimed shall be limited in duration to a term of two years from the date of original retail purchase.<br />
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Some states do not allow the exclusion or limitation of incidental or consequential damages or limitation on how long an implied warranty lasts, so the above limitations and exclusions may not apply to you. <br />
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.<br />
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Celestron reserves the right to modify or discontinue, without prior notice to you, any model or style of accessory. If warranty problems arise, or if you need assistance in using your accessory contact:<br />
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Celestron<br />
Customer Service Department<br />
2835 Columbia Street, Torrance, CA 90503 U.S.A.<br />
(310) 328-9560, Fax (310) 212-5835<br />
Monday - Friday 8 a.m. - 4 p.m. PST </strong><br />
<ul><li>Heavy Duty (CG-5GT) computerized German Equatorial mount (same as supplied with Advanced Series GT telescopes)</li>
<li>Ultra sturdy 2" diameter steel tripod with accessory tray</li>
</ul><strong>CG-5 Computerized Mount - Computerized Mount Features</strong> <ul><li>Proven NexStar computer control technology</li>
<li>40,000 object database with over 100 user-definable objects and expanded information on over 200 objects</li>
<li>Custom database lists of all the most famous deep-sky objects by name and catalog number; the most beautiful double, triple and quadruple stars; variable star; solar systems; objects and asterisms</li>
<li>DC Servo motors with encoders on both axes</li>
<li>Flash upgradeable hand control software and motor control units for downloading product updates over the Internet</li>
<li>Autoguider port for long exposure astrophotography</li>
<li>Double line, 16-character Liquid Crystal Display Hand Control with backlit LED buttons for easy operation of goto features</li>
<li>Compatible with optional NexRemote telescope control software, for advanced control of your telescope via computer</li>
<li>RS-232 communication port on hand control to control the telescope via a personal computer</li>
<li>GPS-compatible with optional CN16 GPS Accessory (93966)</li>
</ul>Larry Pricehttp://www.blogger.com/profile/04649745399773095048noreply@blogger.com0tag:blogger.com,1999:blog-8502954046385493931.post-47813742294673717612010-12-02T09:45:00.000-08:002011-01-08T14:52:23.373-08:00Celestron CGE PRO Computerized German Equatorial Mount <br />
<div style="text-align: center;"> <strong><span style="color: red; font-size: large;">HERE IS THE BEST YOU CAN BUY HANDS DOWN</span></strong></div><div style="text-align: center;"><strong><span style="color: red; font-size: large;">THE HIGH END OPTION IS RIGHT HERE</span></strong></div> <br />
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<table cellpadding="0" cellspacing="0" class="tr-caption-container" style="float: left; margin-right: 1em; text-align: left;"><tbody>
<tr><td style="text-align: center;"><a href="http://www.amazon.com/gp/product/B0024OEW3Q?ie=UTF8&tag=arcasafamhob-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B0024OEW3Q">Celestron CGE PRO Computerized German Equatorial Mount with 38 - 55</a><img src="http://www.assoc-amazon.com/e/ir?t=arcasafamhob-20&l=as2&o=1&a=B0024OEW3Q" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />" imageanchor="1" style="clear: left; cssfloat: left; margin-bottom: 1em; margin-left: auto; margin-right: auto;"><img border="0" height="400" ox="true" src="http://3.bp.blogspot.com/_wHVQkbwApXg/TPggxbcflsI/AAAAAAAAAUc/ZSC8iOIQLYs/s400/German+Computerized+Mount.jpg" width="400" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><strong><span style="color: red; font-size: x-small;">Celestron German Equatorial Mount - A Professional Option</span></strong><br />
<strong><span style="color: red; font-size: x-small;">This Is An Instrument And Is A Quality Product</span></strong><br />
<strong><span style="color: red; font-size: x-small;">Cost: $4,999,00 @ Amazon,com</span></strong></td></tr>
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<strong>This Mount is a high priced option that can only be appreciated by an advance Astronomer. Having said this, you get ultimately what you actually pay for.</strong><br />
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<strong>If you are an experienced Astrophotographer and are looking for an instrument, this is definately the mount for you. It is German precision to say the least and I feature it here because it is almost perfect.</strong><br />
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<strong>Everything you would look for in a Computerized Telescope Mount is given with the Celestron German Equatorial Mount. The azimuth and altitude tracking is extremely smooth as the servo-motors and gear systems are of exceptionally high quality.</strong><br />
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<strong>This mount has a 90 pound payload capacity. I can't think of anyone this limit will challenge. It's slew rate capability is an incredible 5.5<span style="font-size: medium;">°/<span style="font-family: inherit; font-size: small;">second, and has a periodic error correction rate of +/-9 arc second. The Nexstar</span></span><span style="font-size: medium;"><span style="font-size: medium;">® <span style="font-size: small;">goto computer hand controller has a database of 40,000+ celestial objects pre-programmed into it and can be interfaced with other top of the line starfinder chart software. It comes with a two year warranty, which is both excellent and probably un-needed, as the mount is built from such high quality materials and design.</span></span></span></strong><br />
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<span style="font-size: medium;"><span style="font-size: medium;"><span style="font-size: small;"><strong> The list price for this mount is normally $9,397.95, but Amazon.com can offer savings here in the range of $4,398.95. Further Amazon information is available by clicking the image above. Complete specifications and additional review appear below. Please click "Read more" a the bottom left for that information.</strong></span></span></span><br />
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<strong>YOUR COST THROUGH AMAZON.COM NOW: <span style="color: red; font-size: large;">$ 4,999.00</span></strong><br />
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<strong><span style="color: red;">Click read more below left for further specification and detail.</span></strong><br />
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<a name='more'></a><strong>Specifications:</strong><br />
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<strong>In addition to being fully computerized with a database of over 40,000 celestial objects, the New CGE Pro German Equatorial mount has been completely redesigned to offer numerous design advantages for the Astrophotographer: </strong><br />
<blockquote><strong>Increased Payload Capacity</strong></blockquote><br />
<blockquote><strong>Able to hold our 14" SCT telescope more securely as well as larger optical tubes up to a maximum instrument capacity of 90 lbs (not including counterweights).</strong></blockquote><br />
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<strong>All-Star Polar Alignment</strong></blockquote><br />
<blockquote><strong>Choose any bright alignment star for a software assisted alignment of the mount's polar axis that will have you ready for imaging even if you can't see the North Star. </strong><br />
<strong>No-Tool polar alignment</strong></blockquote><br />
<blockquote><strong>Larger hand knobs for both Altitude and Azimuth adjustments. </strong><br />
<strong>Meridian Tracking</strong></blockquote><br />
<blockquote><strong>Extended tracking past the Meridian of up to 20 degrees of uninterrupted imaging through the best part of the sky.</strong></blockquote><br />
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<strong>Faster slew speed</strong></blockquote><br />
<blockquote><strong>Improved gearing and motors provide faster slew speeds than ever before with a maximum slew rate of over 5°/per second.</strong></blockquote><br />
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<strong>Power Management</strong></blockquote><br />
<blockquote><strong>Redesigned electronics deliver constant regulated power to the motors making them capable of driving the telescope even when not perfectly balanced. This allows the CGE Pro to have the payload capacity of that of much larger (and expensive) mounts without sacrificing smooth tracking motion and pointing accuracy across the entire sky.<br />
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Accuracy</strong></blockquote><br />
<blockquote><strong>The hallmark of any telescope mount is its ability to find, center and track celestial objects with the highest degree of accuracy.</strong></blockquote><br />
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<strong>Pointing</strong></blockquote><br />
<blockquote><strong>With just a standard hand control alignment, the CGE Pro has the ability to center a star in your eyepiece or CCD chip to within 5 arc minutes. Using NexStar's advanced pointing features such as Calibration Stars, Sync and Precise GoTo, further improves the pointing accuracy to as low as 1 arc minute in the desired region of the sky.</strong></blockquote><br />
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<strong>Tracking</strong></blockquote><br />
<blockquote><strong>With larger .75" pitch diameter worm, precision made cut-steel gears in gearboxes, and seven slot skewed armature motors, the CGE Pro delivers typical tracking performance of +-9 arc seconds, which can be further reduced with the mounts Permanent Periodic Error Correction (PPEC).</strong></blockquote><br />
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<strong>Mount Modeling</strong></blockquote><br />
<blockquote><strong>Celestron's NexStar hand control has built-in mount modeling features essential for accurately placing small objects on the center of your CCD chip or high power eyepiece. Aligning on multiple Calibration Stars creates a mathematical model of the opto-mechanical inaccuracies inherent in all equatorial mounts. This model is stored within the hand control and is used to compensate for these inaccuracies, thus improving your pointing precision each time you slew your telescope. </strong><br />
<strong>And of course, the CGE Pro is also fully T-Point compatible (available from Software Bisque) for ultra precise pointing across the entire sky. </strong></blockquote><strong>In addition to these improvements, the Celestron line of German Equatorial mounts has long been recognized for features preferred by visual observers and astrophotographer alike. Among them include: </strong><br />
<blockquote><strong>Portability - Set up and transportation of the CGE Pro telescopes is made easy by separating the mount into smaller, easy-to-carry components. Unlike fork arm mounted telescopes, the CGE's optical tubes can be quickly removed from their mounts making even the CGE Pro1400 easily assembled in minutes. </strong><br />
<strong>Stability - Recognized for superior stability, German Equatorial mounts place the center of gravity directly over the tripod legs and can be easily polar aligned without the use of an optional equatorial wedge. This proven design reduces the "tuning fork" vibration that can be associated with undersized fork mounts. An improved Super HD Tripod supports the CGE Pro mount. This fully extendable tripod is made from the finest 2.75" stainless steel and can be raised to a height of 55". The tripod uses a dual leg support for maximum rigidity with an upper leg brace to provide an outward preload and a lower leg brace providing inward tension.</strong></blockquote><br />
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<strong>Balance - CGE Pro Equatorial mounts can easily be balanced in both axes. Simply sliding the counterweight for Right Ascension and moving the optical tube along its dovetail mounting for Declination, accomplish balancing the weight of camera equipment and other visual accessories. This means that no additional weight needs to be added to balance the telescope when additional accessories are added. </strong><br />
<strong>Clearance - CGE Pro mounts support their tubes at a single contact point allowing the tube to move freely around its polar axis without making contact with the telescope's mount. Software features allow the user to set the mounts slew limits to guaranty safe motion. This is particularly useful when adding photographic and CCD instruments that extend from the rear of the telescopes. </strong></blockquote><strong>All CGE mounted telescopes are compatible with Celestron's SkySync GPS accessory. Combine the GPS and built-in real time clock, and these telescopes will keep track and remember their exact location and time without having to enter the information into the hand control. </strong><br />
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<strong>CGE Pro Mount - General Features </strong><br />
<ul><li><strong>Holds a maximum instrument capacity of 90 lbs</strong></li>
<li><strong>+/-9 arc second tracking accuracy, which can be further reduced with PEC</strong></li>
<li><strong>Permanent Programmable Periodic Error Correction (PEC) - corrects for periodic tracking errors inherent to all worm drives</strong></li>
<li><strong>CGE PRO computerized Equatorial mount</strong></li>
<li><strong>Heavy duty stainless steel tripod adjustable from 38 - 55"</strong></li>
<li><strong>One 22 lbs counterweight</strong></li>
<li><strong>Weighs 154 lbs</strong></li>
</ul><strong>CGE Pro Mount - Computerized Mount Features </strong><br />
<ul><li><strong>Proven NexStar computer control technology</strong></li>
<li><strong>40,000 object database with over 100 user-definable objects and expanded information on over 200 objects</strong></li>
<li><strong>New All-Star Polar Alignment routine for both Northern and Southern Hemispheres</strong></li>
<li><strong>Software Features include: Database Filter Limits, Hibernate, five alignment methods and user-defined slew limits</strong></li>
<li><strong>Flash upgradeable hand control software and motor control units for downloading product updates over the Internet</strong></li>
<li><strong>Custom database lists of all the most famous deep-sky objects by name and catalog number; the most beautiful double, triple and quadruple stars; variable stars; solar systems; objects and asterisms</strong></li>
<li><strong>Double line, 16-character Liquid Crystal Display Hand Control with backlit LED buttons for easy operation of goto features</strong></li>
<li><strong>12 VDC Servo Motors with integrated optical encoders</strong></li>
<li><strong>Drive Motors - High quality motors with seven slot skewed armature to minimize magnetic cogging for quiet operation and long life. Precision made cut-steel gears in gearbox for improved tracking precision</strong></li>
<li><strong>Bearing and Shaft - Main shafts are made from 1.57" diameter steel tubing with .40" wall thickness with two preloaded 2.68" O.D. tapered roller bearings on each axes</strong></li>
<li><strong>Precision worm drive system - .75" pitch dia. precision made steel worm preloaded with two .87" OD ball bearings to minimize run-out (a source of periodic error). 255 tooth 6" pitch dia. precision made worm wheel with enveloping brass teeth</strong></li>
<li><strong>Spring loaded DEC worm to minimize backlash and for easy guiding</strong></li>
<li><strong>4 point RA and DEC clutch system for no-slip pointing precision</strong></li>
<li><strong>Autoguide port, PC port and Auxiliary ports located on the electronic pier for long exposure astrophotography</strong></li>
<li><strong>One 4.72" O.D. thrust bearing and one 4.13" O.D. thrust bearing on each axes provide a large thrust surface for additional stability</strong></li>
<li><strong>Rugged 9-pin thread on motor cables</strong></li>
<li><strong>Latitude range: 10° to 65° Northern or Southern Hemispheres</strong></li>
<li><strong>RS-232 communication port on hand control to control the telescope via a personal computer</strong></li>
<li><strong>Includes NexRemote telescope control software, for advanced control of your telescope via computer</strong></li>
<li><strong>GPS-compatible with optional SkySync GPS Accessory (93969)</strong></li>
</ul>Larry Pricehttp://www.blogger.com/profile/04649745399773095048noreply@blogger.com0