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Title: Cloudy Nights Home - Cloudy Nights

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I feel the following image explains the relevance nicely, especially to anyone who has found themselves scuttling around trying to find somewhere that they can actually read their iPad. Just looking for opinions/commentary…

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Heliostar 76 + ASI 183MM

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In another thread I mentioned the difficulty in reaching focus with my E.S. 8-inch dob. The crux of the matter is that the focal plane is too far outside the tube making the secondary too small. The measured distance from the optical axis to the focal plane is 266mm in my telescope. (10 1/2 inches.). Another CN member with the identical scope reached out to me and reported this ...

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Hello folks, I just returned my brand new WO Pleiades 111 (due to incredibly difficult backspacing task I had) and replaced with Ultracat 108, and while it does not require exact backfocusing due to its Petzval design I noticed something almost identical to both WO series: both reach approximate focus at almost beginning physical WIFD focuser between 0 to 5mm (view images from b...

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I have wondered who made small (80mm or less) and fast (f/6 or faster) refractors? I own a Threekor 40mm, a Cometron Co-62 and a Vixen Halley multi 70s and I’m aware of the Vixen short tube 80 and even the Orion ST80 is now a classic. I was wondering what else is out there. These make wonderful travel scopes, an observatory in a shoe box which is great for vacation when space is...

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