
LASCO Activity Report for
May 12, 2003 SOHO Science Daily Meeting
Planner: K. Schenk, G. Lawrence
Event times are first frame seen in C2 camera unless otherwise noted.
These are preliminary observations for the daily SOHO science discussions.
Final analysis is reported on the Lasco CME list.
An archive of these reports is available.
Points Of Interest
Mercury is now present in C3 images, moving L-R
away from the Sun
2003/05/09
01:54 UT S West Initially narrow blob expands through C2.
Largest feature in prolonged outflow
following CME on 2003/05/07
06:30 UT N East Narrow front alonng streamer, initially quite
bright
11:30 UT N West Wide bright loop front with thin cavity and
bright structured core, further wide front
follows at 13:31, further bright core-like
region from 15:30
16:54 UT N Pole Slow wide loop front, brightest in NW possibly
due to projection onto existing material
19:31 UT N East Ragged front narrower and faster than previous
and slightly to E. Much gusty outflow from all
three events continues through following day
20:35 UT S West Fairly wide ragged fan
22:30 UT S East Narrow fan fades rapidly
2003/05/10
16:30 UT S Pole Fairly narrow ragged front, slight outflow
2003/05/11
12:54 UT N Pole Narrow loop front along streamer,
initially quite bright
21:54 UT N Pole Wide bright loop front with plentiful
trailing material, spans ~170 deg from
PA 235 - 45. Backsided event
2003/05/12
06:54 UT N West Initially bright narrow front along
streamer fades through C2
11:54 UT N West Fairly faint spray-like front to S
of previous event
Web curator:
K.M.Schenk
NASA Goddard Space Flight Center
Solar Physics Branch / Code 682
Greenbelt, MD 20771