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I know this may be basic processing procedure to some, but for
me it seems to be a road block. The problem I'm having is when I make the basic
levels adjustment so the histogram looks like the ones in Chuck Vaughn's example
of proper processing, the background is still too light. Is there a way to
darken the background with out 1)destroying the histogram and 2) maintaining the
fainter detail in the image. In this case It's a 3 image stack of M81. It's a
2hr a 1hr 37min and a 50min blended in PW. When ever I get the background dark
enough the fainter part of the spiral arms is obliterated. Can someone give me
some pointers on this? I've identified it as one of my major processing
downfalls.
Thanks! Jim Ives
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