Comet ATLAS as a bright green dot in the centre. I has aimed at a point midway between Polaris and the plough but it was higher than I thought and near the top. This is from a single shot although I had taken a whole series for stacking but all this did was show a lot more glow but no evidence of a tail.

EOS 6DII with Sigma 35mm f1.4 lens, 6 secs @ f1.6 manual mode with mirror locked up and using remote release.

Cropped and minor adjustment of contrast, clarity and blacks. Took a while to find the comet which was near the top left corner of the original frame as I had aimed the camera blind to the approximate area.