2018f4 20200124 rkaufman

Canon 800D on Vixen Polarie, 200mm lens, 13 x 30 sec at ISO 12800, F/3.2, crop. Inset is at full camera resolution  and stacked on comet head - stars slightly streaked. Movement is only 2-3 pixels over the shooting time at this scale. 12:29, 24 Jan 2020 UT.

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