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Old 31-07-2011, 08:57 AM
Alchemy (Clive)
Quietly watching

Alchemy is offline
 
Join Date: Jul 2007
Location: Yarra Junction
Posts: 3,044
Not really sure of your issue as focus will only shift a mm or so. I had a 12 inch newt for planetary imaging and the shift while noticeable on the screen was not a lot over the cooling period.

Stating the obvious... Was the eyepiece fogged on the inside??
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