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Old 12-10-2016, 08:55 PM
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Atmos (Colin)
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Join Date: Aug 2011
Location: Melbourne
Posts: 7,013
It's looking good at the moment You may want to mask the stars when doing what I assume is a deconvolution. The stars around the galaxy have dark rings
It could be mirror flop causing the issue or differential flexure caused by the differing cooling rates. Both of which fixable with an OAG
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