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Cool shot Steve. I think your MPCC spacing is incorrect and you debayered to the wrong matrix too. QHY8 is RGGB.
Calibration is before debayering. So you shoot your lights in raw FITS 16bits (approx 11MB each). You shoot your bias frames in raw fits and shoot your bias in raw fits too. You do your calibration on your lights with the bias and flats as they are. (with bayer matrix).
Then you debayer to Red, Green & Blue in separate directories. Pick the best FWHM frame in each channel and do your alignment/normalisation/date rejection per channel. WHen you have your masters R, G & B you recombine to color then save as TIFF 16bits scaled. Go to PS and season to taste.
PS: DO NOT align any light/flat or bias with the bayer matrix in. Only align debayered subs.
Last edited by multiweb; 06-02-2010 at 05:18 PM.
Reason: clarification
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