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Old 30-04-2020, 10:29 PM
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Atmos (Colin)
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Join Date: Aug 2011
Location: Melbourne
Posts: 6,984
That makes me feel pretty lazy, I usually do 16 or 25 flats and the same for flat darks and darks.
A number of years ago I was doing some research into what makes a good flat for scientific purposes and what came out of that was that the ideal is to hit 1,000,000 electrons.
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