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comment by francopoli
francopoli  ·  228 days ago  ·  link  ·    ·  parent  ·  post: Pubski: August 1,2018

Since you will appreciate this, here is the "stacked" image from above with no processing. Lots of sharpening and denoising later you get the first image. The bar is probably random noise in the CMOS that the sharpening picked up when I toyed with the historgram and did not notice on the screen for whatever reason and need to go back and black out in GIMP when I get a few.