LASCO/EIT Operations Status Daily Reports -- February 2001 ----------------------------- C2-C3-EIT synoptic = EIT 195A 12 minute; C2 20 minute; C3 30 min cadence C2-C3 Daily Polarizer Sequences in Orange Filter. C2-C3 orange/blue filter fielding Tues & Thursday Weekly, Dark Cal Images (Sat) C1,C2,C3 at 0 and 60 Sec, EIT at 0 and 3 sec. (Sat) C2,C3 Blue Polarizer Sequence, (Sun) C2,C3 Deep Red Polarizer Sequence (Sat) C2,C3 Color Sequence Images, 2x2 binned (03:00 UT) ------------------------------------------------------------------------------- [Jan 19, 2001 thru Feb 16, 2001 Daily EIT cal lamp, 11:00 UT] 28-Feb-2001 (C2-C3-EIT synoptic) TM Submode 5 27-Feb-2001 (C2-C3-EIT synoptic) TM Submode 5 22:27 UT uplinked l_set_lobt (set Lasco time) 26-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 to 5 01:30 UT EIT resumes CME Watch in 195A FFFres. 12:58 UT transition TM Submode 6 to 5 (7.9 kb/sec) SM 5 till March 26. EIT 195A half res. 19:00-20:30 UT EIT intercalibration 001 (#6710) Sumer, Trace, CDS, EIT; 7x7 block NW quad. 25-Feb-2001 (C2-C3 synoptic) TM Submode 6 EIT CME Watch in 304A; FFFres, 12 min cadence. Weekly C2,C3 deep red filter polarizer sequence taken. 24-Feb-2001 (C2-C3 synoptic) TM Submode 6 01:30 UT EIT begins CME watch program; 304A FFFres, 12 min cad. Quiet Sun Transient Events Study Weekly C2,C3,EIT dark images taken. Weekly EIT calibration lamps x2 taken. Weekly C2,C3 color sequence taken. Weekly C2,C3 blue filter polarizer sequence taken. 23-Feb-2001 C2,C3 doors closed; EIT High Cadence 195A. 18:10 UT uplinked l_set_lobt (set Lasco time) 18:14-21:00 UT C2,C3 door closed Cal lamp stacks. C2 orange/clear x10 C3 clear/clear x10 21:08 UT C2,C3 doors opened. 00:00 UT synoptic observation plan resumed. 22-Feb-2001 C2,C3 doors closed; EIT High Cadence 195A. 21-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 21:14 UT C2,C3 doors closed in prep of S/C maneuvers. Momentum management maneuvers 2/22/2001; 10:00-17:00 UT 22:00 UT EIT begins high cadence in 195A FFFres; 7 min cadence. 20-Feb-2001 EIT CCD Bakeout; C2,C3 High Cadence Program; TM Submode 6 11:00 UT EIT bakeout ends; Cool down dark cals begin. 17:24-17:40 UT ICE-A REBOOT; temperature zones reset. 19:30 UT C2,C3 high cadence ends. 19:34 UT uplinked l_set_lobt (set Lasco time) 19:38-22:20 UT EIT post bakeout calibration set. 23:30 UT synoptic plan resumes. 19-Feb-2001 EIT CCD Bakeout; C2,C3 High Cadence Program; TM Submode 6 15:24 UT uplinked l_set_lobt (set Lasco time) 18-Feb-2001 EIT CCD Bakeout; C2,C3 High Cadence Program; TM Submode 6 17-Feb-2001 EIT CCD Bakeout; C2,C3 High Cadence Program; TM Submode 6 16-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 18:35 UT uplinked l_set_lobt (set Lasco time) 18:40-22:00 UT EIT pre bakout calibration set. 22:07 UT EIT bakout begins. NO EIT EUV images while instrument is in CCD bakeout. 00:00 UT 2/17/2001 C2,C3 begin high cadence CME watch. C2 orange/clear filter at 5 minutes cadence C3 clear/clear filter at 15 minutes cadence. 15-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 14-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 17:52 UT uplinked l_set_lobt (set Lasco time) 13-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 12-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 11-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 Weekly C2,C3 deep red filter polarizer sequence taken. 15:43 UT uplinked l_set_lobt (set Lasco time) 10-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 Weekly C2,C3,EIT dark images taken. Weekly EIT calibration lamps x2 taken. Weekly C2,C3 color sequence taken. Weekly C2,C3 blue filter polarizer sequence taken. 09-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 00:08-02:30 UT EIT summing buffer image runs. Post offpoint calibrations in 304A 2x2, 195 2x2, 195A FFFres. Three images of each run as close in time as possible over full disk. 02:30 UT C2,C3 doors opened after cal sets. 22:00 UT synoptic plan resumes. 08-Feb-2001 (C2-C3-EIT synoptic) OFFPOINT Cals; TM Submode 6 00:25 UT uplinked l_set_lobt (set Lasco time) 00:20-02:30 UT EIT pre offpoint calibration set. 05:00-05:40 UT EIT long dark image program; 0,3,100,300 sec. 07:00-8:30 UT EIT 10s cal lamp stack, x10. 17:28 UT uplinked l_set_lobt (set Lasco time) 17:37 UT C1,C2,C3 doors closed for offpoint maneuvers. 18:20-21:00 UT Manual EIT OFFPOINT program. No thrusters. Use reaction wheels. Imaging at 13 dwell positions in 304A binned and 195A FFFres. 20:40 UT C2 door opened during maneuver at profile 13 at (0, 30) arc sec position to begin PES (Pointing Error System) calibration of C2. HK packets only. 21:00 C2 door closed to ESR flag trip. 21:45-23:00 UT EIT post offpoint calibration set. 23:00-00:00 UT C2,C3 door closed flat field cal lamp stack. Only 5 images of each camera due to commanding restrict. 07-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 C3 in comet reduced exposure mode 03:56 - 19:32 UT clear/clear filter; 5 seconds 06-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 SOHO-294 Kreutz Sungrazing Comet discovered by D. Biesecker. A fairly bright comet with small visible tail seen in C3 data only from 14:18 - 2/7 11:54 UT. C3 went to comet observing reduced exposure in clear/clear filter 2/7/2001 03:56 UT - 19:32 UT 05-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 18:18 UT uplinked l_set_lobt (set Lasco time) 04-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 Weekly C2,C3 deep red filter polarizer sequence taken. 03-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 SOHO-293 Kreutz Sungrazing Comet discovered by M. Oates. A fairly bright comet with no visible tail seen in C3 and C2 data from 16:18 - 2/4 19:54 UT. Weekly C2,C3,EIT dark images taken. Weekly EIT calibration lamps x2 taken. Weekly C2,C3 color sequence taken. Weekly C2,C3 blue filter polarizer sequence taken. 02-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6 17:49 UT uplinked l_set_lobt (set Lasco time) 01-Feb-2001 (C2-C3-EIT synoptic) TM Submode 6