29p 20161031 jdrummond

Here’s some astrometry of 29P from ~6 days ago (2016 Oct 31.4 UT). This was done using stacked images (10 x 2 min). Using the small-angle-formula and a diameter of ~41” I get a coma diameter of ~182,000 km – contra to ~105,000 km on 2016 Oct 25.

Page last updated: Mon 16 Jul 07:53:13 BST 2018