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Hello, Recently, I noticed on my DSLR images artifacts like shown on the picture. The position is always different, and colours vary. Could be a dead pixel stretched in Deepsky Stacker. Cosmic Rays? Just curious ;) Thanks and Cheers Robert  |
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Hello Robert, Is this an integrated (stacked) image or a single frame? This is what I get when I stack images with hot/cold/stuck pixels without using any outlier rejection method. |
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Hello Diva! It is the stacked image. I just found the single RAW frames showing a violet dot near the same location on the image. Looks pretty much like what you got. Too bad, I won't make history discovering cosmic rays  I never noticed this before. After all, the DSLR is almost a year old while I am living a subtropical region. BTW, you are not at all "launisch", but kind to reply and help. Thanks a ton and Cheers Robert  |
