Quote:
Originally Posted by [1ponders]
Darks must be the same exposure time as your flats Doug. You'll need to identify your flat exposures and apply that to your darks as well.
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There is no way my flats can be the same exposure time as my darks. My darks need to be the same as my lights so how do I take a 20 minute flat, you can't. I think you meant to say darks need to be the same as your lights or darks and flats shold have the same F setting. I generally shoot flats to show about 30% on a PS hystogram. ie: 30% exposed.
Just to get it right :-
Light = an exposure of an object. (lenscap off)
Dark = an exposure of nothing. (lenscap on)
Flat = an exposure of a constant uniform light source. (lightbox on)
Bias = A quick dark exposure. (lenscap on)
Yes my images link isn't working, I'm moving it to a cheaper host.