LASCO Activity Report for
September 21, 2005 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

SOHO KEYHOLE #10 telemetry period: Aug 31-Sep 28, 2005.

EIT CCD bakeout between Sep 2 23:00 UT - Sept 23 10:00 UT 
with its mini-cal pre and post sets as folows:
2005/09/02 19:00:00 - 2005/09/03 01:00:00
2005/09/23 20:00:00 - 2005/09/24 00:20:00

During the Telemetry Keyhole LASCO will be in improved synoptic cadence 
of C2 at 12 mins cadence and C3 at 30 mins cadence, including daily 
orange/blue filter fielding images.

2005/09/20 (Tuesday)

	  EN East	Since late on previous day, the very slow development
			of a system of very faint loops along the streamer can
			be discerned. The event starts to be seen in C3 at
			around 06:18 UT developing as a faint loop-like front.
			By 13:18 UT, an apparently different front moving
			faster develops behind (C3).

00:00 UT  E Limb	Elongated loop-like front. A diffuse brightening
			preceding the front can be discerned since very late 
			on previous day.

19:12 UT  E Limb	Elongated loop front, first seen in C3 at 20:18 UT.

2005/09/21 (Wednesday)

	03:36 - 11:48 UT	Temporary Data Gap.

Last C2 image available by the time of writing: 12:24 UT.