Comet Lovjoy moving through Taurus, as seen from central France on the evening of 12 January 2015.
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This is a stack of 248 light frames (2.5s, iso 6400) at f/2.8 and 150mm, using 50 dark frames, 28 flat frames, and 48 bias frames. The total exposure time is thus 10min20s, and this was spread out over a 20min interval. The image was stacked on the stars in DeepSkyStacker.