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Re: Observatory Window?

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Posted by Steve/">Steve on December 30, 1998 18:40:52 UTC

No firsthand experience, but some comments and questions if you don't mind. What size / kind of scope are you using? What types of observing do you plan on? For a large scope, and mostly planetary views, you could probably get away with it. For deep sky observing of faint objects you're going to loose a lot of light - which gets costly REAL quick. Hassles are: reflection of outside surface, interference on outside surface from surrounding light pollution, thermals as you mentioned, and refelction from the inside surface backinto the scope. IMO, I'd go for a "small" opening, try to ven the heater to prevent thermals, but go with open sky... but that's me.. Let us know what you do!

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