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Old 24-08-2009, 08:19 AM
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bojan
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Quote:
Originally Posted by dpastern View Post
I still don't see why there's so much noise from the stacked pair, especially when noise in the individual images is far less.

Dave
I do not think so.
Try to increase the contrast of the individual CR2 image to the same extent as a stacked image and you will see it contains LESS noise.

The important thing to remember is that the S/N (Signal to Noise ratio) is what we are talking about here and what we are increasing by stacking a number of individual frames into a single image.
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