Yes Fred I was talking about Scott's image. I know I should have the data there but maximising it is my challenge. I have my Canon set on adobe RGB but no individual colour shots and then stacking them. It started at 13c and by the end of the shoot had dropped to 10.5 when I took the six darks. I still heve a lot of noise in my boosted image that I try to cover up using the features in photoshop unsharped mask, reduce noise and then Gausian blurr. Still a lot to learn.
Thanks for the comments
Mark
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