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Old 27-01-2014, 04:24 PM
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gregbradley
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Join Date: Feb 2006
Location: Sydney
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I got a reply from Richard Crisp. He said that doing 20 darks would reduce noise more than averaging the overscan area as its only a narrow
sample.

I get from this there is a benefit from doing overscan callibration if your camera has a bias drift.

He recommended measuring it. So I will do a test and see how much the bias shifts over say 20 bias's at different times at the same temp.

Greg.
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