
LASCO Activity Report for
March 2, 2005 SOHO Science Daily Meeting
Planner: K. Schenk, G. Stenborg
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
Venus entered the C3 FOV from the right on 2005/02/26 (by the end of
the day).
2005/03/01 (Tuesday)
23:54 UT S West Bright loop front develops just behind event reported
(Previous to start at 22:30 UT on previous day as a three-part
day) structure CME - Leading edge, cavity, inner core -
(ballon-type). Couple of ragged fronts above the W
Limb (around 00:54 and 01:54 UT). By 02:54 UT, faint
and diffuse loop-like extensions can be discerned on
S. Association to balloon type CME not clear. Several
ragged fronts afterward all along the day all across
the S Pole. EIT 195 images show no significant activity
on the disk. However, starting at ~ 22:36 UT (previous
day), they show signatures of a CME above the SW Limb,
apparently originated on the backside of the Sun.
00:30 UT NN West Slow development of a system of expanding loops. New
front system by 03:30 UT, which at least initially,
moves apparently faster than the first one.
13:54 UT N West Diffuse and not-well-defined elongated loop front.
Difficult to give an exact time of first appearance.
By the time, the slow development of a system of loops
a little bit to S can be seen superposed in the LOS.
By ~18:54 UT, a loop front starts to be discerned in
the preexistent outflow. It is clearly seen in C3
starting at 20:18 UT. The development of the system of
loops seems to be affected by that of the front at
18:54 UT.
20:59 UT W Limb Extremely narrow loop-like feature that fades
throughout C2.
2005/03/02 (Wednesday)
00:30 UT S West Ragged front in the gusty outflow.
01:31 UT W Limb Narrow loop-like feature, followed by a similar one
(though smaller) by 03:30 UT. Another one at 05:30 UT.
Last C2 image analyzed taken at 15:06 UT.
Web curator:
K.M.Schenk
NASA Goddard Space Flight Center
Solar Physics Branch / Code 682
Greenbelt, MD 20771