Object: Comet P/2021 R4 (Wierzchos) Date: 2021 10 28.196412 UTC Observer: John J. Maikner Camera: QHY 183M Exposure: 30 X 60 sec. Filters: None Binning: 1 X 1 Temp: -10.0 C Instrument type: Astro-Physics Riccardi-Honders Instrument aperture: 305 mm Instrument focal length: 1159mm/F3.8 Observatory code W62 Mag: 20.5 |
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