Quote:
Originally Posted by DiscoDuck
If there's anything to fix that faint blotchiness, I'm all ears. I suspect though it's simply from the bit of noise reduction applied (and that wasn't much) and I just need longer total exposure time than the 3 hours used there??
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Nice picture Paul.
Photoshop can clean up that noise by using a blurred layer mask -
reducing the colour selectively in each channel, and adding noise.
see here but use a mask so you don't add noise to the galaxy:
http://bf-astro.com/backgndrepair.htm
Note: you can do better than the link by selectively doing it to each color channel.
cheers
Allan