...thanx Houghy, Ron, Alex, Lester, Liz, Paul, Barb&Davy, Jase, Mike and Ric.
Jase, you are right. I did as I mostly do. create a couple luminance layers with different software like registax (the waveletes did the very best job on the nebula), CCD stack (decon on the blurry stars) CCD sharp for both - nebula and stars, and finally some smart sharp on stars and nebula in ps cs2. some high pass filtering with a huge pixel radius to enhance local contrast.
it is amazing, how different the results on sharpening can be when using different methods.
registax and ccd stack are most powerful.
thanks again everyone!
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