Quote:
Originally Posted by peter_4059
Thanks Marcus. I tend to hold back when the background noise starts looking noticable. Do you suggest stretching the entire image or use some form of layer masking?
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If background noise is becoming a problem then do some dark sky noise reduction first - i.e. use an inverse layer mask to only work on the darker areas. Then stretch the whole image but preferentially stretch the middle portions of the histogram (i.e. a curve with a hump in the middle). It's hard to tell from the small version posted but yes, there comes a point when careful layer masking during stretching may be necessary.