LASCO Activity Report for
May 23, 2007 SOHO Science Daily Meeting

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:
-------------------
26 m keyhole: 2007/05/18 - 2007/06/05
34 m keyhole: 2007/05/21 - 2007/06/01

While in Keyhole, improved cadence in LASCO C2 (12 min) and 
LASCO C3 (30 mins). 

EIT CCD Bakeout starts on 2007/05/18 @ ~15:00 UT and ends on 2007/06/05.

Spacecraft Maneuvers on Tuesday 2007/05/29. 
(Station Keeping, Momentum Management, and 180 deg Roll.

LASCO will safe on 2007/05/28 @~ 12:00 UT and will recover 
on 2007/05/30 @~ 23:00 UT.

2007/05/22 (Tuesday)

02:24 UT  W Limb	Diffuse front develops as a ragged loop front, 
			slightly toward WNW. WIDTH in C3 at 08:18 UT: ~
			60 deg.

	15:00 - 16:38 UT	LASCO Data Gap (C2 time).

16:38 UT  W Limb	Wide and bright loop front already close to the
			end of the C2 FOV. WIDTH in C3 at 20:18 UT: ~
			95 DEG. GOES recorded a B3.9 X-ray flare on NOAA 
			AR 10956 (~S05W38) between 14:30 - 15:19 UT with
			peak emission at 14:47 UT.

18:48 UT  WN West+	Expanding faint (apparently) bubble-like front can be
	 		discerned in the trailing material of previous event.
			Difficult to give an exact time of first appearance.
			WIDTH in C3 at 23:18 UT: ~ 60 deg.

2007/05/23 (Wednesday)

	01:24 - 04:24 UT	LASCO Data Gap (C2 time).

Last C2 image available by the time of writing: 05:24 UT.