Quote:
Originally Posted by BlackWidow
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.
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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.