Image - beautiful resolution - M42 up high in the south and Trapezium was perfect. This is the email reply from Hansen Corp for Synchron US...not sure if Synchron in US is still manufacturing the motors or if the motors have now been completely discontinued. The User's Manual shown in the alternate photo is copyrighted 1994. I have added the removal of the Focus assembly in order to be able to remove the Main Mirror for cleaning. 2) Celestron C8 OTA. $5,299.95. Jun 16, 2018 - Explore Dave Cruikshank's board "Celestron C8" on Pinterest. After adding the new finder, and the other accessories for regular observing, I found the optical tube was very "tail heavy" and sought out to get a counterweight system. The Celestron C8 Schmidt-Cassegrain is one of the longest running continuously produced telescopes in history (perhaps only the Questar has been around longer.) Now the assembly is loose from the OTA and has to be removed from the main mirror threaded focus rod. SKU: CEL-91038-XLT. Please look at the pics as I’m not sure what all might be missing. We don't know when or if this item will be back in stock. Celestron - Telescope Carrying Case for NexStar Optical Tubes - Fits 4", 5", 6" and 8" Optical Tubes - NexStar SE, Evolution, Schmidt-Cassegrain, EdgeHD Compatible - Protective EVA Shell, Foam Lining. This is a late model classic C8 that precedes the modern go to era. 11-inch Dovetail Bar Diagram. tripod before refurb-rust and pitting Check out Celestron's StarSense Explorer DX 102 mm Refractor!With its easy to aim Alt-Azimuth mount, and bright optics, this is one telescope that feels just as much at home exploring the many wonders of our night sky as it does examining the fine feather details of a bird on your feeder! Celestron-C8A is 8.0"/203mm Aluminum Schmidt-Cassegrain Telescope Optical Tube Assembly Celestron C8-A Telescope 17" long aluminum optical tube weighs only 13 lbs., making it easy to transport.CelestronC8A Telescope has an 8" aperture, a 2032 mm focal length, and a focal ratio of f/10.Starbright multicoatings are standard for CelestronC8-A. With milestones such as offering the first computerized telescope that ran on AA batteries and releasing the orange tube C8 telescope for under $1,000 in 1970, Celestron is paving the way for affordable, attainable and amazing telescopes, binoculars and other optical gadgets. I purchased a circa 1975 diecast orange tube C8 recently for $300 Canadian dollars (@ $225 USD) from a person who had not kept the scope well at all. Early model C8 telescopes featured an AC synchronous motor for a clock drive. 805507 1980 (C8 classic orangetube special coatings) 805630 1980 or later (C8 classic orangetube) The Nexstar 8 SE upholds Celestron's reputation for quality optics. I don't own a C8, but I learned a lot following along. I ended up turning the corrector about 60 degrees from the factory mark, and remounting the secondary on its mounting plate. The legendary performance of Celestron's orange tube C8 telescope has been updated with high performance Starbright XLT coatings and the single arm NexStar mount now includes Celestron's easy to use "SkyAlign" technology. Details: The tripod socket on this OTA makes it ideal for terrestrial use as well. One of the blogs I read mentioned that the main mirror focus stop was in the form of an E clip which usually gets lost or breaks during the removal process. up it came. Sold without eyepiece, visual back or finderscope. Sandcast Model. Belonged to a neighbor of mine- Her husband had bought it new and paid a lot of $$ for it back then. I had the scope out last night and it had the best collimation that I've seen in any of my SCT's. Once I had ensured that there were no more areas of fungus and mold, I proceeded with a final third clean and wipe with kleenex. View Full Product Details. A four button hand control unit and . perfect - absolute centered concentric donut - even after 41 years and a major clean! I followed the cleaning protocol from the Arkansas Sky Observatory and treated that mirror with more care than a surgeon with a scalpel! The Celestron C8-A is the direct (but much improved) descendent of Celestron's revolutionary C8 that transformed the hobby of astronomy when it was unveiled in 1970; This rugged aluminum optical tube is only 17 inches long and weighs just 13 pounds, making it easy to transport and set up. It is an integral part of the optics of your telescope, and was ground to match your primary. I decided to replace the old bolts with wing knobs to make setup easier and enhance the looks of the scope. Anyhow, following the advice of the CN members and the great information, guidance and tips included in many of the blogs, I turned my kitchn nd dining room into a laboratory for a couple of days and with the assistance of my daughter filtering and mixing the cleaning solution as well as preparing the cleaning solution we cleaned the mirror and the corrector without issue. Learn More. The original 6x30 straight finder is nice but when locating targets as you aim closer to the zenith, the 6x30 is not usable. Celestron's premium StarBright XLT coatings. 800685 1980 +/- 1year C8 orange tube Direct purchase from the factory showroom in California. I marked the position of the three cork spacers and the exact location of the scribed corrector plate number. CELESTRON SUPER C8 INSTRUCTIONS Pdf Download. CGX-L Equatorial 925 Schmidt-Cassegrain Telescope. October 3, 2021. There's a story (there's always a story, isn't there?) 28 pc. I am a second owner of this scope. Long Live the Observers! Save $20.00 with coupon. I was surprised to find the lack of options available here in North America for fork mounted C8's especially with the new Celestron for mounted scopes being marketed aggressively. $9,199.00 $767/mo suggested payments with 12‑month financing. The C8 has gone from junk status to quite a gem. 800732 1975 - 1977 (C8 classic orangetube) 804081 1977. He had to drill it free: Not for the inexperienced (me!) This rugged aluminum optical tube is only 17 inches long and weighs just 13 pounds, making it easy to transport and set up. Then, I looked at the mirror, which I did not want to have to remove and clean - my initial fears came to light when I shone a light down the tube and saw the filaments of fungus around the outer edges of the mirror - now Im into an even bigger challenge with having to disassemble the focus mechanism and remove the mirror. 339705 1975. Excellent thread!! I also had a darker small spot on the main mirror that I was concerned was fungus or mold. C14 Optical Tube Assembly (CGE Dovetail) $5,299.95. The Celestron C8-A Optical Tube Assembly is a great multi-use telescope. 339263 orange C8 here: lounge discussion 2496049. * Select your protection plan and purchase it with this product by clicking "Add to Cart" above. Currently unavailable. The scope was primarily used for 40 years for astrophotography. 2 Year. Celestron C8-A (XLT) Telescope with StarBright XLT 91024-XLT Visit the Celestron Store. Here is an addendum to the Refurb of the C8. Modernizing my 1978 orange tube C8 so it will go on my Advanced VX mount and it fit perfectly. Comes with everything you see. Thank you to CN member ChiAstroJoe for his blog on Cleaning and Modifying the C11 Beast - It was most helpful for this project. The Celestron C8-A is the direct (but much improved) descendent of Celestron's revolutionary C8 that transformed the hobby of astronomy when it was unveiled in 1970. Fits all Celestron 8″ OTA's including CPC and HD models. That is what the old orange-tube Celestron 8 telescopes are, and you can tell because it says it is a Schmidt telescope right on the plate with the serial number. Details: Celestron's CGX-L Computerized Equatorial mount is the latest addition to our fully computerized equatorial mount. In researching the C8 before the restoration, I did an inquiry with Synchron (Hansen Corp) Canada to see what the cost for replacement drive motors would be in case the ones in the scope purchased failed given its condition. More On The Way. User Manuals, Guides and Specifications for your Celestron C8 Telescope. or faint of heart! The orange tube C8 came fork mounted on a circular drive base. 95. Bids: 0. Celestron-C8A is 8.0"/203mm Aluminum Schmidt-Cassegrain Telescope Optical Tube Assembly Celestron C8-A Telescope 17" long aluminum optical tube weighs only 13 lbs., making it easy to transport.CelestronC8A Telescope has an 8" aperture, a 2032 mm focal length, and a focal ratio of f/10.Starbright multicoatings are standard for CelestronC8-A. These include high reflectivity 5-layer enhanced . When I went to see the scope, the tripod was rusted, bolts were missing and when I checked the optics...evidence of fungus on the corrector and on the main around the fringes. That is what the old orange-tube Celestron 8 telescopes are, and you can tell because it says it is a Schmidt telescope right on the plate with the serial number. Teleskop-Express: Celestron C8 Schmidt-Cassegrain (8″ - orange design) - Optical Tube Assembly In contrast, Meade was portraying their telescopes as serious scientific instruments. It's very good performer. The threaded main mirror focus rod is now free and the main mirror can be removed via the main tube opening (corrector plate removed). There were three areas of fungus around the very outer edge of the primary but I could not capture the fine filament whisps with the camera. I enjoyed the blow-by-blow of the tube's dis-assembly. In this particular case, that includes the C8, C8+, C8-S, C8-SGT, Classic 8, Celestar 8, CGE 800, G-8, Great Polaris C8, NexStar 8 GPS, Polaris C8, Powerstar 8, Super C8, Super C8+, Super Polaris C8, Ultima 8, and Ultima 2000. At High Point we are making a few of the orange tube C8 OTA's (normally found on the Celestron NexStar 8SE) available to our customers.We only have a few of these available and once they are gone, they are gone! Database contains 5 Celestron C8 Manuals (available for free online viewing or downloading in PDF): Operating manual, Instruction manual, Instructions, Instructions manual . This entire mechanism was all metal and very well engineered and crafted - 1975 craftsmanship wow...they don't build em' like they used to! C8 (Orange NexStar version) on a CG-5 Goto mount A local club member, who shall remain nameless, bought a new NexStar 8. Kit Items: 6 X 30 Straight Finder, Tripod, 2x Barlow, T-tube adapter, Extended T-Tube, 1 1/4" Star Diagonal, Porro Prism, AC to DC converter, Hardcase for OTA and . Collimation is spot on. Busted cheap azimuth motor. This is one of the last fork mounted Celestron C8 telescopes that is not equipped with go to technology. I was afraid that I was going to do some real damage here until I saw a video on YouTube this week in which the lads at Celestron put 84pound of weights on the front of a corrector before it finally cracked. for reference to others. 800732 1975 - 1977 (C8 classic orangetube) 804081 1977. The mirror was cleaned in tepid tap water with 4 drops of Dawn concentrated dish soap, 1 oz. The primary innovation Celestron/Tom Johnson came up with was a way to produce Schmidt corrector plates using a vacuum to pull the glass blanks into a pre-shaped curve mold called a "master block" during the polishing .
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