Despite a Bad seeing and wind C/2019 Y4 (ATLAS) On 2020 Feb 18 20h23 UT TEL 0.4-m f/2.8 reflector + CCD Atik490ex 13x60s. Dia coma around 5', m1 = 14.1 (aperture radius 0.4')
Page last updated: Sun 2 Apr 08:15:17 BST 2023
