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C9.25 focal length

WebSep 14, 2024 · I think you're right to keep to a long focal length scope as planetary, Lunar, and double star observing favor long focal lengths, and these objects are still be doable with heavy light pollution. The EAA will help with the DSO's but the extra focal length of the C9.25 will make accurate tracking slightly more challenging so you might be ... WebMar 1, 2024 · ️ Best Feature: 9.25” aperture. Worst Feature: Price. 👌 Ideal For: Celestial Viewing, Terrestrial Viewing, Stargazing, Lunar & Planetary Observation, DSO Viewing, Intermediates, Experts. Optical Design: Schmidt-Cassegrain Aperture: 235 mm (9.25”) Focal Length: 2350 mm (93”) Focal Ratio: f/10 Eyepieces Included: 40 mm Our Verdict: …

Focal reducer for C9.25. - Discussions - Stargazers Lounge

WebNov 12, 2006 · It would be nice fit for the CG-5ASGT and with the 2 inch focuser and a 900mm focal length, besides the easy setup planetary viewing, it would provide those widefield views that a C-11 cannot. ... a C9.25/CG5 combo, a WO Megrez 110 and 72 and now I have a 6" RC and a 5" Mak. The 2 big cats were me in the earliest days going out … WebThe Celestron C9.25 # 91027-XLT is an unusual size with its 9.25” aperture and 2350 mm focal length, but many consider it to be the Goldilocks of optical tubes—not too big, not too small. This rugged aluminum optical tube is only 22 inches long and weighs just 20 pounds, making it easy to transport and set up. childish gambino png https://austexcommunity.com

8" EdgeHD or 925 Evolution? visual and eaa - Stargazers Lounge

WebMar 12, 2016 · Posted May 25, 2011. 1.3° is about as wide as you can get with a C9.25. My 42mm LVW gets 1.28° at x56, so, right on the limit. Using a focal reducer would mean … WebMay 24, 2024 · The C9.25 telescope is a lovely mid-sized instrument. Its folded optics and aluminium tube make it very light and portable. ... Aperture 9.25-inch (235mm) Focal … WebNov 4, 2012 · November 4, 2012. The back focus distances are as follows: SCT. Back focus distance from primary mirror baffle tube lock ring (in) C5. 5 in. C6. 5 in. C8. childish gambino presale offer code

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Category:Great Western Railway Hall 4900 Class No 4953

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C9.25 focal length

Celestron NexStar Evolution 9.25 Review by Zane Landers

WebJul 19, 2024 · Page 1 of 2 - Recommended guide scope for Celestron 9.25 HD - posted in Beginning Deep Sky Imaging: Hi all, Part of my consideration of purchasing a long focal … WebThe HyperStar lens shortens the focal length of the telescope, giving a much wider field of view, and giving a greater tolerance of tracking errors, allowing for unguided, alt-az imaging. The HyperStar 9.25 is compatible …

C9.25 focal length

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WebOct 13, 2024 · This gives me a 750 mm focal length at F/3 so I shoot relatively short exposures of 120 seconds. This is my favorite of the multiple set-ups that I have with my three telescopes. ... a Stellarvue SVX080T-3SV APO Triplet refractor, and a Celestron C9.25 Schmidt-Cassegrain. I pair these with various reducers/flatteners/coma correctors … WebOct 17, 2006 · A C9.25 has a proportionately longer optical tube than other SCTs. It is, for example, nearly the length of the C11. Whether or not these focal length differences are visible at the eyepiece is a matter for …

WebBased on Separation of Eyepiece Focal Plane and Barlow; Let us take a 75mm focal length x2 (nominal) Barlow used at its designed amplification. (f = 75mm, M = 2) M = 1 + (x/f) δx = f(M - 1) = 75(2 - 1) mm = 75mm. This relationship (the separation of Barlow and the new focal plane is equal to the focal length of the Barlow) holds for any x2 Barlow. WebTeller County, Colorado - Official Site for Teller County Government

http://www.chuckhawks.com/celestron_C6.htm WebThe Off-Axis Guider is an essential astroimaging accessory for long focal length telescopes that require the most accurate guiding possible. The Celestron Off-Axis Guider uses a prism to intercept a small portion of …

WebFocal Length The exact focal length of the reducer/telescope combo depends slightly on where in the optical path the SCT Corrector lens is placed. Nominally . Performance The diagram above shows how the SCT Corrector improves the off-axis spot size on a Celestron 11" SCT. Performance is similar on other size telescopes. ... C9.25: 1525mm: f/6.5 ...

WebEdgeHD 9.25" Optical Tube Assembly (CGE Dovetail) Experience our best optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge of today’s largest imaging … got to sing stourbridgeWebAdaptor: 2″ / 1.25″ / M42X0.75 Dimensions: 62 mm Diameter Weight:100g Working Temperature: -5°C—45°C Storage Temperature: -20°C—60°C ... the focal length is 2.1mm, f-number is f2.0 FOV is 151 degree for 1/3″ sensor there are lots of … childish gambino pound cake freestyleWebOct 4, 2024 · The Fastar-compatible optical tube even allows imaging down to an incredibly-fast f/2 focal ratio using optional accessories. This Celestron Optical Tube's Optics . . . EdgeHD aplanatic Schmidt … childish gambino pound cake lyricsWebCelestron C9.25 Aluminum Optical Tube Includes: 9.25" Schmidt-Cassegrain, 2350 mm focal length (f/11) Aluminum Optical Tube. … got to stand for something songWebMay 6, 2024 · GWR 4900 Class - Wikipedia. 1 week ago The Great Western Railway 4900 Class or Hall Class is a class of 4-6-0 mixed-traffic steam locomotives designed by … got to step on the gas memeWebOct 19, 2024 · The secondary mirror of the C9.25 can be removed in seconds without any tools to put the Starizona HyperStar corrector lens in its place and convert the C9.25 into a super-fast f/2 (470mm focal … got to sing bewdleychildish gambino presets