LASCO Activity Report for
September 9, 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

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

EIT will go to 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.

The SOHO rolled back to 0 deg on Thursday Sept 8, 2005. LASCO was safe for 
the S/C roll (also Station Keeping -SK- and Momentum Management -MM-) between
Wed Sept 7 at 11:00 UT - Friday Sept 9 at 12:00 UT.

2005/09/08 (Thursday)

	LASCO doors CLOSED (S/C Maneuvers: 180 deg roll, SK, and MM). 
	No images.

Important X-ray Events:
----------------------
Following the X17 X-ray Event on 09/07 from NOAA AR 10808 (peak at 17:40 UT)
GOES recorded on 09/08 multiple C-class X-ray activity in addition to (all
from AR 10808):

- an M2.1 X-ray flare (S12E74) between 16:49 - 17:11 UT (peak at 17:03 UT),
- another M2.1 X-ray flare (S12E70) between 20:23 - 20:49 UT (peak at 20:41 UT),
- an X5.4 X-ray flare (S12E75) between 20:52 - 21:17 UT (peak at 21:06 UT).

2005/09/09 (Friday)

Important X-ray Events:
----------------------
Multiple C-class activity continues plus (all from NOAA AR 10808):

- an M1.0 X-ray flare (S13E68) between 02:08 - 02:29 UT (peak at 02:19 UT),
- an M1.1 X-ray flare (S12E68) between 02:33 - 02:39 UT (peak at 02:36 UT),
- an X1.1 X-ray flare (S12E68) between 02:43 - 03:07 UT (peak at 03:00 UT),
- an M1.8 X-ray flare (S10E67) between 04:46 - 05:12 UT (peak at 05:03 UT),
- an M6.2 X-ray flare (S13E71) between 05:32 - 06:00 UT (peak at 05:48 UT),
- an X3.6 X-ray flare (S11E66) between 09:42 - 10:08 UT (peak at 09:59 UT).

	LASCO doors OPEN at 12:00 UT after S/C Maneuvers on 09/08.

Time of writing: ~ 13:00 UT