Quote:
Originally Posted by Tandum
Peter,
Here's a sample of gradient removal from those tools I was looking at.
1st is the gradient, 2nd is two passes with annies actions and 3rd is gradient xtermnator. Notice xterminator left a black ring around that central star.
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Robin,
I did a quick DBE (DynamicBackgroundExtraction) in PixInsight. It is one of my favourite tools
Pics below are your original, the DBE processed version and a slightly stretched version of the background that DBE removed. That's a very colourful and complex gradient!
Cheers,
Rick.