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Old 27-08-2014, 07:15 PM
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codemonkey (Lee)
Lee "Wormsy" Borsboom

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Join Date: Jul 2013
Location: Kilcoy, QLD
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Quote:
Originally Posted by nebulosity. View Post
I have never used bias frames, I thought that bias is in the darks and would be removed along with the dark subtraction.

If you subtract a dark and a bias, wouldn't that subtract the bias twice? (assuming that bias is in the darks) Which would then add in noise?



Jo
That's my understanding. I wouldn't use both unless I'd already subtracted the bias from the dark (like you would if you were scaling your dark frames).
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