LASCO/EIT Operations Status Daily Reports -- September 1999 ----------------------------- C2-C3-EIT synoptic = EIT 195A 12 minute; C2 20 minute; C3 30 min cadence C2-C3 Daily Polarizer Sequences in Orange Filter 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) ------------------------------------------------------------------------------ *** Whole Sun Month August 18 - September 14, 1999 *** (C2 pB observations 6 hour cadence, C3 pB 12 hour cadence) (EIT 195A CME watch and additional 284A 15:00-21:30 UT/2hrs.) *** S/C Gyroless Activities and Flight Software Uploads begin 9/16/99 30-Sep-1999 C2,C3 Doors Closed; EIT 304A High Cadence Program S/C activities 10:30 - 21:00 UT complete 360 degree roll in CRP mode 29-Sep-1999 C2,C3 Doors Closed; EIT 304A High Cadence Program S/C activities 11:00 - 20:00 UT begin pitch, yaw, and 360 degree roll in CRP mode Low rate telemetry 15:27 - 19:30 UT 28-Sep-1999 C2,C3 Doors Closed, EIT 304A High Cadence Program 12:00-24:00 UT EIT 304A high cadence in half Res for flat fielding. 14:17 UT Lasco/EIT off-pointing flag test; successful In event of S/C offpointing Lasco doors close, schedQ flushed. S/C activities 12:30 - 21:00 UT off-pointing profiles in pitch, yaw, and roll Thruster monitoring tests and momentum management. 27-Sep-1999 C2,C3 Door Closed Cals, EIT 304A High Cadence Program EIT 304A starts at 10:30 UT; FFFres at 6.5 min cadence. S/C activities 13:00 - 21:30 UT transition into new CRP (Course Roll Pointing) mode and execute activities. 26-Sep-1999 (C2-C3-EIT synoptic) Colors; Lasco Doors Closed; TM Submode 6 Weekly C2,C3 deep red filter polarizer sequence taken. 13:37 UT C2,C3 doors closed in prep of S/C Gyroless activities. Doors remain closed through testing till 10/4. No white light images until Monday October 4th. Lasco C2 and C3 Door Closed Calibration set; 14:30 - 9/27 10:30 UT 25-Sep-1999 (C2-C3-EIT synoptic) Darks,Cals,Colors; SM6 Weekly C2,C3 EIT dark images taken. Weekly EIT calibration lamps taken. Weekly C2,C3 blue filter polarizer sequence taken. Weekly C2,C3 color sequence taken. 24-Sep-1999 (C2-C3-EIT synoptic) SOHO-89; TM Submode 6 SOHO-89 Kreutz sungrazing comet discovered by K. Schenk. Faint comet visible in C3 data only from 05:42 - 15:42 UT. 23-Sep-1999 (C2-C3-EIT synoptic) TM Submode 6 22-Sep-1999 (C2-C3-EIT synoptic) IPS Campaign; TM Submode 6 21-Sep-1999 (C2-C3-EIT synoptic) IPS Campaign; SOHO-88; TM Submode 6 SOHO-88 Kreutz sungrazing comet discovered by K. Schenk. Faint comet visible in C3 data only from 05:42 - 13:42 UT. 17:12 UT uplinked l_set_lobt (set Lasco time) 20-Sep-1999 (C2-C3-EIT synoptic) IPS Campaign; SOHO-87; TM Submode 6 SOHO-87 Kreutz sungrazing comet discovered by K. Schenk. Faint comet visible in C3 data only from 12:42 - 24:00 UT. 19-Sep-1999 (C2-C3-EIT synoptic) IPS Campaign; Colors; TM Submode 6 Weekly C2,C3 deep red filter polarizer sequence taken. 18-Sep-1999 (C2-C3-EIT synoptic) Darks,Cals,Colors; IPS Campaign; SM6 Weekly C2,C3 EIT dark images taken. Weekly EIT calibration lamps taken. Weekly C2,C3 blue filter polarizer sequence taken. Weekly C2,C3 color sequence taken. 17-Sep-1999 (C2-C3-EIT synoptic) IPS Campaign; TM Submode 6 15:45 UT uplinked l_set_lobt (set Lasco time) Planet Mercury leaves C3 field of view at 24:00 UT 16-Sep-1999 (C2-C3-EIT synoptic) IPS Campaign; SOHO-86; TM Submode 6 SOHO-86 Kreutz sungrazing comet discovered by J. Shanklin. Fairly bright comet with tail visible in C3 and C2 data from 9/16 15:42 - 9/17 19:30 UT. S/C Gyroless Activities: Upload Readiness Review (URR) 15-Sep-1999 (C2-C3-EIT synoptic) IPS Campaign; Mercury; ICAL001; SM6 16:00-17:30 UT EIT Intercallibration 001 (#6125) w/CDS and TRACE Mercury observations in C3 orange and blue filters end. 14-Sep-1999 (C2-C3-EIT synoptic) JOP109; IPS Campaign; Mercury; SM6 Whole Sun Month Observation programs end. Lasco resumes standard C2 and C3 pB sequences 1/day. 13-Sep-1999 (C2-C3-EIT synpotic) JOP109; IPS Campaign; Mercury; SM6 IPS campaign (#6135) with UVCS and EISCAT; using Lasco synoptic. 17:09 UT uplinked l_set_lobt (set Lasco time) 12-Sep-1999 (C2-C3-EIT synoptic) JOP109; Colors; Mercury; Tm Submode 6 Weekly C2,C3 deep red filter polarizer sequence taken. 11-Sep-1999 (C2-C3-EIT synoptic) JOP109; Darks,Cals,Colors; Mercury; SM6 Weekly C1,C2,C3 EIT dark images taken. Weekly EIT calibration lamps taken. Weekly C2,C3 blue filter polarizer sequence taken. Weekly C2,C3 color sequence taken. 10-Sep-1999 (C2-C3-EIT synoptic) JOP109; Mercury; TM Submode 6 09-Sep-1999 (C2-C3-EIT synoptic) JOP109; Mercury Tests; TM Submode 6 15:30-18:30 UT Manual shutter spinning tests in C2 and C3 To reduce exposure for Mercury obs in orange and blue filters. Using dark image LP and manually opening shutter. 19:28 UT uplinked l_set_lobt (set Lasco time) 08-Sep-1999 (C2-C3-EIT synoptic) JOP109; Mercury Tests; LEB REBOOT; SM6 JOP109 (#6000) Temp and Density Structure in Corona C2 and C3 support in pB. 20:09 UT uplinked l_set_lobt (set Lasco time) 20:14 UT Mercury testing in C2 with summed pB at 5 sec exposures. Orange and blue filters to eliminate saturation of CCD. 20:43 UT LEB REBOOT 21:25 UT uplinked l_set_lobt (set Lasco time) 07-Sep-1999 (C2-C3-EIT synoptic) JOP076; Mercury In C2; TM Submode 6 Planet Mercury enters C2 field of view at 00:54 UT. Begin reduced exp images in orange/clear and blue/clear filters for Dr. Mallima in FFFres, 12 hr cadence. 06-Sep-1999 (C2-C3-EIT synoptic) JOP076; Mercury; SOHO-84; TM Submode 6 SOHO-84 Kreutz sungrazing comet discovered by T. Lovejoy. Comet visible in C3 data only from 01:18 - 06:42 UT. 05-Sep-1999 (C2-C3-EIT synoptic) JOP076; Colors; SOHO-83; SOHO-85; SM6 SOHO-83 Kreutz sungrazing comet discovered by K. Schenk. Comet visible in C3 data only from 9/04 20:18 - 9/5 18:42 UT. SOHO-85 Comet discovered (Non Kreutz path) by T. Lovejoy. Comet visible in C2 and C3 data from 9/05 01:42 - 9/6 07:42 UT. Comet is West of occulter and just N of Equator (~PA 280 deg) Weekly C2,C3 deep red filter polarizer sequence taken. 04-Sep-1999 (C2-C3-EIT synoptic) JOP076; Darks,Cals,Colors; TM Submode 6 Weekly C1,C2,C3 EIT dark images taken. Weekly EIT calibration lamps taken. Weekly C2,C3 blue filter polarizer sequence taken. Weekly C2,C3 color sequence taken. 03-Sep-1999 (C2-C3-EIT synoptic) JOP076; MERCURY; TM Submode 6 20:10 UT uplinked l_set_lobt (set Lasco time) 02-Sep-1999 (C2-C3-EIT synoptic) JOP076; Mercury; TM Submode 6 01-Sep-1999 (C2-C3-EIT synoptic) JOP076; Mercury; LEB REBOOT; TM Submode 6 JOP076 (#5990) Streamers Study; 4 C2 pB, 2 C3 pB per day. 18:11 UT LEB REBOOT 18:49 UT uplinked l_set_lobt (set Lasco time) Planet Mercury daily observations in C3 for Dr. Mallima till Sep15th 05:42, 17:42 UT blue (5sec) and orange (.5 sec) filter FFFres