Quote:
Originally Posted by peter_4059
Rick, I've found trying to create a mask that reveals the nebulosity but conceals the stars is quite difficult in PI. I know you demonstrated this in the last workshop but there are a number of steps involved and I've found it tricky to know if the mask is going to be effective until you try it. I really need to find a pixelmath help file - some of the expressions mean nothing to me $T/3?
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Gerald Wechselberger has some good videos on PixelMath.
http://www.werbeagentur.org/oldwexi/...ixInsight.html
Cheers,
Rick.