Perihelion time now confirmed. Congratulations to Diane McIlhiney, whose guess was within 3 hours of the actual perihelion time. Movie of SOHO-500 now available at Doug Biesecker's comet observations web page. Planet Mars is now in C2's field of view, moving L to R
04:30 UT N East Further ragged fronts along same streamer, fainter than previous event 08:30 UT N East Thick wide bright loop front with cavity and bright structured core, along same streamer as previous events 14:54 UT S East Sequence of fairly bright wide loop fronts, quite slow. Brightest material over E limb. Possible extremely faint extensions over S pole and to W limb. Backsided event 22:30 UT N East Narrow ragged front along streamer
02:06 UT Partial Wide bright loop front in NW spans ~150 deg Halo by 02:54. Cavity and core and some gusty outflow follow. M2.3 flare in AR0061 N09W54 02:06 UT N East Faint loop front, bright over N pole due to integration effects with partial halo. Slight cavity follows 10:54 UT S East Fairly narrow loop front along streamer, cavity follows