Quote:
Originally Posted by multiweb
It's a lot more to the left because your sky count was lower (no moon). The only other thing to look for would be calibration. You did flat fielding on the second set, not on the first one though. Maybe you killed your data and dynamic range by dimming the center (inverse vignetting). Have you tried to stretch the data on uncalibrated subs see if you get he same level of details as the old data set?
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Last night I did reprocess the data without the flats (just in case they were having an impact), and there was no difference with regards to the result. Maybe I inadvertantly changed something. It is looking to be clear again tonight so I will try and get another run in.
