Object: Comet C/2021 S4 (Tsuchinshan) Date: 2021 11 09.085133 UTC Observer: John J. Maikner Camera: QHY 183M Exposure: 15 X 120 sec. Filters: None Binning: 2 X 2 Temp: -15.0 C Instrument type: Astro-Physics Riccardi-Honders Instrument aperture: 305 mm Instrument focal length: 1159mm/F3.8 Observatory code W62 Mag: 20.0 G |
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