
LASCO Activity Report for
March 20, 2006 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
KEYHOLE Operations:
-------------------
* Feb 22 - Mar 21: 26 m Keyhole.
* Feb 28 - Mar 16: 34 m Keyhole.
- EIT resumed operation on 2005/03/18 @ ~ 20:15 UT after CCD bakeout
and post-cal sets. 304A CME watch in Full Res.
- LASCO C2: 03/17 20:00 UT thru 3/18 19:00 UT Optical Flows in C2.
--> C2 FF orange/clear 50 sec exposure, pixel summed @ 4 min cadence;
plus at the top of each hour i) a fffres C2 and ii) a fffres C3 image.
- Improve C2/C3 cadence for the rest of the Keyhole:
12 min cadence for C2, 30 min cadence for C3.
- EIT CCD Bakeout bewtween 2006/02/28 03:00 UT - 2006/03/18.
2006/03/17 (Friday)
07:36 UT WN West Very faint and diffuse front that fades throughout C2.
08:48 UT ES East Diffuse brightening along streamer, first seen in C3
at 10:18 UT. Trailing material during the rest of the
day.
20:01 UT ES East Faint and diffuse front. It fades throughout C3.
23:01 UT S West Jet-like front.
2006/03/18 (Saturday)
06:01 UT NN West Faint and diffuse loop front. It fades throughout C3.
It is followed by another one at 12:04 UT on NW.
23:54 UT WN West Elongated loop front. It fades throughout C3.
2006/03/19 (Sunday)
06:30 UT E Limb Elongated brightening that fades close to the inner
edge of C3.
15:30 UT WN West Elongated and slightly curved feature develops as an
elongated loop front. It fades throughout C3. Another
similar (though fainter) feature develops by 20:06 UT.
2006/03/20 (Monday)
00:06 - 07:32 UT Temporary DSN Data Gap.
Last C2 image available by the time of writing: 10:31 UT.
Web curator:
K.M.Schenk
NASA Goddard Space Flight Center
Solar Physics Branch / Code 682
Greenbelt, MD 20771