Hi Max
Thanks for the advice
When I get my new 8” f5 scope early next year I might image initially without a CC and see if I can use my post processing to tidy up the coma
I use Startools which has a nifty module called Repair and has 3 or 4 algorithms which do a great job on eggy stars and stars with coma etc
Paying for a CC to resolve coma is not the issue, the issue is having unnecessary extra weight on the mount ( like a counter weight ) when post processing may tidy up the image.
Cheers
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