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Topic starter
April 9, 2020 17:27
This is the raw file after APP processing.
As you can see there is an artifact that after the passage of the meridian, is also repeated in the upper part of the image.
Due to a problem Apt was unable to make the meridian flip automatically. So I later re-centered the subject.
Do you have any advice? I cleaned the coma corrector and the camera but there were no stains or anything. The photo I insered IC 410 in the gallery was taken a few nights ago.
Topic starter
April 9, 2020 17:39
I found the flaw. The darks. I had made them at home, but it is clear that I have not shielded the bottom of the newton well and light must have entered
Vincent-Moderator reacted
