Haloes - where do they come from?
I imaged Eta Carina last night for about an hour in LRGB - just as a test for my new set up. I have a new (to me) STL11000 matched with a Tak FSQ106.
I found that in the RGB data I have haloes around a few of the larger stars.
I'm interested in learning - where do they come from and how can they be avoided?
I know how to process them out in PI but it would be good to know how they come about so I can be more selective about my target or image strategy
Pete
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