Quote:
Originally Posted by luka
I have seen such streaks several times with my 1200D with much shorter exposures. Never before with Nikon (not sure if it means anything). Changing stacking parameters fixed the problem for me every time though.
Try stacking only the first few images, i.e. before the sensor got hot.
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Thanks Luka
, at first I thought it must have been my stacking method, however after removing the darks & flats and taking a generic approach the artefact still appears to remain embedded in the image. I did try stacking some other images from the night and they appear ok so far (which is adding to the confusion), but I haven't gone back to try only the first 5 images from the problem target. Hopefully I may find the issue lying hidden there somewhere...
Cheers, Evan