Quote:
Originally Posted by PeterSEllis
Hi Ramo,
I do have a few short subs of the trapezium , I have seen how to do it on Photoshop, but not sure that it would be real easy under PixInsight.
It is certainly one trick I have thought about trying.
Cheers
Peter
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Easy, RangeMask is your friend there. Especially if you havent clipped the whites you can just use Curves and RangeMask.