Thread: Problem with flats
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Old 15-09-2010, 10:23 AM
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Octane (Humayun)
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Join Date: Dec 2005
Location: Canberra
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Are your flat lights a fairly decent exposure length? And, are you moving the EL sheet around between exposures? Are you taking flat darks? Are you taking a sufficiently large number of them to give you an SNR of between 4-5?

H
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