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An interesting discussion, but how do you "subtract skyglow"?
Skyglow is NOT noise, it's unwanted signal. If there's a way to subtract unwanted signal I want to know about it.
WRT binning, I really should bin as my resolution is a little over 1"/pixel, which, considering the seeing I usually contend with is way too much. But then I give up image scale, which I like. Also some of the deconvolution algorithms rely on oversampled data.
Cheers
Stuart
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