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.
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).
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