exposure?
I've been thinking about exposure length. What is the best to do, say 100 subs @60 sec or 10 subs @600 sec? Now as I've found out when a pixel is filled there is no spilling into the adjoining pixel, unlike photographic film were the burnt out image will bleed into the adjoining emulsion. So that isn't a problem with digital. Of course light pollution will come in to the length of exposure, but let us pretend that L/P doesn't exist!
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