LASCO Activity Report for
December 15, 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

KEYHOLE Operations: 
   Dec 3 - Dec 20 (26 m)
   Dec 6 - Dec 17 (34 m)
   
Spacecraft Maneuvers on December 15: Station keeping (SK), Momentum
Management (MM), and 180 deg Roll. Therefore:

- On Wednesday Dec 14, 22:00 UT: Lasco C2 and C3 close doors for maneuver.

- On Friday Dec 16, 22:00 UT recover C2 and C3, open doors and resume keyhole
observations: C2 @ 12 min cadence, C3 @ 30 min cadence, daily orange/blue 
filter fieldings, and daily orange filter pB sets.

EIT will end bakeout Sunday Dec 18 (started on Dec 02 @ ~ 18:12 UT) from 
plan at 10:00 UT. The post cal mini set will be taken on the following 
pass 16:15-22:55 UT. Imaging will resume ~21:00 UT.



2005/12/14 (Wednesday)

00:36 UT  S East	Slow development of a jet-like front.

06:24 UT  S West	Elongated and not-well-defined loop-like structure,
			followed by some small ragged fronts.

13:48 UT  ES East	Faint and rather elongated loop front. It fades 
			throughout C3.

19:12 UT  E Limb	Initially bright loop front. Development missed.

20:00 UT  W Limb	Diffuse and faint front developing slightly toward WNW.

	LASCO close doors ahead of maneuvers on 2005/12/15.

	Last C2 image before closing doors: 21:12 UT.
	Last C3 Image before closing doors: 21:42 UT.

2005/12/15 (Thursday)

	LASCO door closed.


Web curator: K.M.Schenk
NASA Goddard Space Flight Center
Solar Physics Branch / Code 682
Greenbelt, MD 20771