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Another nice image Lester,
The seeing does make a substantial difference, doesn't it.
Lester, just a thought, in Astra Image try doing an alignment just on Ganymede. With such a nice image scale I think you may find some detail on Ganymede. I mean some colour contrast, darker and lighter areas.
Do one alignment on Ganymede and another version of the same image but concentrating on the alignment of your RGB channels with Jupiter.
This should give you the best possible Jupiter and Ganymede on different versions of the same image. Then cut and past the good version of Ganymede onto the best version of Jupiter.
Just a thought
Cheers
Trevor
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