Hi, I have a strange problem with my all photos(Seen even better with even more histogram transforms). After stacking they have wide vertical stripes and circles on them. None of the Lights or Darks have anything like that
What could be the problem and how to fix it?
I process in siril latest version, I use darks,flats,biases. My setup - dslr and camera lens(Canon r5 and rf 100-500)
Thanks for the ideas,
Hello, these bands are common with some cameras, and sometimes hard to see on single images because of the noise they contain, but get revealed after stacking. What kind of image calibration are you using? The image shown looks like it was over-corrected with flats too.
I am using auto-stacking script, strangely, these stripes are there even when processing without calibration frames, and don’t change at all with calibration
Usually the darks remove the bands, but sometimes they move with time and it’s more complicated… And also with varying temperatures of DSLR it will vary in intensity… Maybe you can try enabling the dark optimization, but it often doesn’t work with recent CMOS cameras.
I was talking about the flats because of the bright right border and the circle we see in the centre. Are you sure the calibration frames were made with the same settings, like ISO for bias and flats, ISO and exposure for dark and lights?
Yes, setting are the same. I have some ideas about turning off LENR, maybe it will help