Quote:
Originally Posted by alpal
Thanks Louie although I feel I could have done a lot more with the original stacks.
I've lost some of the power of the blue when I reduced it
& that was the main colour in the halo.
I think it needed a pseudo luminance layer.
cheers
Allan
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I agree, very nice, and the selective masking solves the problem I had with the flat fielding. I might revisit it it as well to see if I can match your result. You are more than welcome to the fits files - I can give you the linear stacks post calibration and registration if you like. I think I can post a link to dropbox if anyone is interested?
Cheers and thanks again for taking the trouble to show what can be done to improve it!
Andrew.