2019y4 20200409 ndj

C/2019 Y4 there is a small condensation now right at the front of the extended coma. Interestingly if you do astrometry on that it is within 2 arcsec (just under 2 pixels at this scale) of the expected nucleus position based on the orbit using data up to March 25. 

Page last updated: Sun 2 Apr 08:15:33 BST 2023