This image of C/2017 E4 was taken a few minutes ago as the comet rose above my roof in a rapidly brightening sky. It is a 3x60s exposure, FoV is 24x16 arcmin. There is no starlike centre to the coma any more, only an extended line around 20 arcsec long. |
Page last updated: Sun 2 Apr 08:10:12 BST 2023