Quote:
Originally Posted by pmrid
Hi David, thanks but unfortunately, these images were stacked with darks. I haven't been using flats but I doubt that would make a difference.
The problem seems to be in the way hotvand cold pixels are managed in the stacking process. I just can't yet figure out how these things are managed in APP.
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Hmm interesting. How old are you darks / bias frames? Perhaps in need of updating?