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Old 19-07-2015, 04:19 PM
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gregbradley
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Join Date: Feb 2006
Location: Sydney
Posts: 15,619
Use a larger subframe box around the guide star perhaps? So if there is drift (remember the subframe guide box is highly magnified).

The first thing I would suspect is the star is simply drifting out of the guide exposure frame so try a larger frame.

If that is not it then perhaps reload the drivers as it may be corrupted.

I presume you have been using this camera for a long time and this is new behaviour?

Greg.
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