C/2021 S4 (Tsuchinshan)
Chart COBS
Credit: COBS Comet Observation Database – CC BY-NA-SA 4.0”
Mag18.80
Coma diameter0.20
Date Brightness Size Notes
2023-09-25 02:24 17.6 0.5 T. Lehmann, Weimar, 0.279-m Newtonian + CC
2023-09-11 22:19 18.0 0.14 S. Shurpakov, 0.41-m Newtonian + CCD
2022-12-18 21:35 17.3 None G. Pappa, Nerpio,Spain (remote control), 0.5-m Prime focus of a reflector + CCD
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