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Old 25-08-2011, 03:46 PM
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mithrandir (Andrew)
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Join Date: Jan 2009
Location: Glenhaven
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Quote:
Originally Posted by BlackWidow View Post
I have a QHY8 colour one shot cam. When I first used the older version of Nebulosity I capture my images in B&W fits and then stacked and then batch demosaic to get the colour after stacking and combining.
With any OSC if you stack before demosaic and you have any movement between frames you will be stacking different colour pixels.

I capture in RAW, do darks/flats/demosaic and then stack. You could split the demosaiced FITS into separate R G and B and stack them, and finally recombine.
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