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Old 19-07-2010, 09:27 AM
gbeal
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Join Date: Oct 2004
Location: New Zealand
Posts: 4,346
Dennis,
while no expert on this, I have had similar with some of my Ha shots.
I "think" or suspect it has something to do with the way I calibrate, or with the calibration frames.
Are these blemishes on the L, R, G, and B subs as well? Have you tried stacking with calibration? Just a though.
Gary
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