Quote:
Originally Posted by gregbradley
Wouldn't noise reduction on the darks lower the values for the hot pixels making them not subtract completely?
Greg.
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I think that is the case - any form of spatial noise reduction on the darks will actually make the situation worse - the only thing that will effectively reduce read and shot noise in the master dark is lots of dark subs. Same applies to flats if you are relying on them for FPN reduction.