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Old 19-05-2015, 08:27 PM
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Peter Ward
Galaxy hitchhiking guide

Peter Ward is offline
 
Join Date: Dec 2007
Location: The Shire
Posts: 8,111
Quote:
Originally Posted by peter_4059 View Post
I'm interested to understand why focus would shift over weeks but not with night/day temperature variation?
In truth I could leave the focus for months, hence I suspect any variation was
my fixing what wasn't broken in the first place.

Re: Temperature compensating focusers...I tend to think of them in the same way as auto-guiding.

The more stable and accurate the mount is, the less work your guider has to do.
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