C/2021 O3 (PANSTARRS) On 2021 Sep 21.78 UT TEL 0.4-m f/2.8 reflector + CCD Atik 460ex Exposure = 4x90s Nuclear magnitude (m2) 17.8 (5.8") Possible tail 15" in PA 235°
Page last updated: Tue 4 Apr 21:15:39 BST 2023
