Thread: shooting dark and flat frames for stacking
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Old 21-10-2006, 07:59 PM
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Striker (Tony)
Whats visual Astronomy

Striker is offline 		 
Join Date: Dec 2004
Location: Brisbane
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Here is what is what a common Flat frame looks like...notice the dust donuts and the difference in light in the frame...all this will be subtracted from your image in calibration.
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