Mercury presently in C3's field of view, moving right to left Details of C3 transits are available at D. Biesecker's SOHO comet website.
03:54 UT S West System of faint ragged loop front, loop in N has fairly bright core. Further to N than earlier event. Bright blob to far N at 05:06 06:06 UT N West Bright ragged front/blob (core?) trails faster but much fainter front 05:54 UT S West Bright loop front with cavity and some arcades. Furthest S of morning's events 12:30 UT N West Very faint fan 17:54 UT S West Narrow bright loop front with cavity and prominence core. Arcades and cross-hatching follow 19:31 UT S East Faint narrow jet 22:06 UT N East Fast bright ragged front is brightest towards S. Some gusty outflow follows 23:30 UT N West Thick bright front with cavity and small faint core C2 Running Difference movie.
05:30 UT W Limb Small faint blob 06:54 UT S East Faint wide fan/narrow front