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field rotation, focuser slop, coma issues
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27-03-2012, 09:06 PM
peter_4059
(Peter)
Big Scopes are Cool
Join Date: Jun 2007
Location: SE Tasmania
Posts: 4,532
it does look like you have some rotation - I've not encountered this yet but I think I've read it can happen when your guide star is not close to the object you are imaging when polar alignment is out. How long did you drift align for?
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