Thread: how long should subs be with low read noise CCDs?
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Old 30-10-2013, 09:05 AM
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Merlin66 (Ken)
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Join Date: Oct 2005
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Marc,
I don't believe it's a scaling issue....
the sd of a 500ADU sub is not the same as an sd of a 5000 ADU sub
One is sqt(500) = 22, the other sqt(5000)= 71
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