C/2025 J1 (Borisov)
Chart COBS
Credit: COBS Comet Observation Database – CC BY-NA-SA 4.0”
Mag19.00
Coma diameter0.40
Date Brightness Size Notes
2025-05-05 00:00 19.2 0.2 M. Mašek, CTA-N La Palma, 0.25-m Schmidt-Cassegrain + CCD
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