Comet C/2020 M3 ATLAS – Nucleus movement

Saturday night (2020-11-21) I recorded LRGB data of comet C/2020 M3 ATLAS. Upon inspecting the image data, I detected a spinning movement of the comets nucleus. To show the movement, I combined the 34 individual LRGB images (240 seconds each) to one stack with the comet forming a curving trail.
During the course of 142 minutes, the comet moved 470 arcseconds (3.3 arcseconds per second).

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