LASCO/EIT Operations Status Daily Reports -- November 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) ------------------------------------------------------------------------------ **** C1 Polarizer Sequences run at 5 sec exp, 2 hr cadence **** Executed till Nov 8th 20:00 UT. 30-Nov-1999 Lasco Doors Closed for Post ESR-12 S/C Momentum Managements and station keeping; EIT high cadence 195A program. TM Submode 6. 29-Nov-1999 S/C in ESR-12; Low rate telemtery; Lasco doors closed. 22:42 UT medium rate telemetry restored. S/C in CRP mode; SM6 23:13 UT uplinked l_set_lobt (set Lasco time) 23:17 UT C1,C2,C3 doors closed. 23:22 EIT begins getting images; high cadence 195A. 28-Nov-1999 (C2-C3-EIT synoptic) Colors; ESR-12; TM Submode 6 Weekly C2,C3 deep red filter polarizer sequence taken. 11:55 UT S/C went into ESR-12 (Emergency Sun Reaquisition) due to a reset of the ACU-A (Attitude Control Unit side A) Cause still unknown. Lasco doors closed from S/C ESR flag command. Telemetry went into low rate. No images while in low rate. 27-Nov-1999 (C2-C3-EIT synoptic) Darks,Cals,Colors; 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. 26-Nov-1999 (C2-C3-EIT synoptic) C1 Mask Tests; TM Submode 6 C1 Mask tests for removing saturation around occulter. 25-Nov-1999 (C2-C3-EIT synoptic) TM Submode 6 Happy Thanksgiving from the LASCO/EIT Team. 24-Nov-1999 (C2-C3-EIT synoptic) TM Submode 6 23-Nov-1999 (C2-C3-EIT synoptic) SOHO-92; TM Submode 6 SOHO-92 Kreutz Sungrazing comet discovered by D. Biesecker. Comet visible with difuse tail in C2 data only from 04:30 - 06:10 UT. Rock band, Third Eye Blind Album BLUE released with EIT image album cover. 22-Nov-1999 EIT High Cadence; Lasco Doors Opened; TM Submode 6 16:00 UT EIT high cadence in 195A ends. 16:08 UT uplinked l_set_lobt (set Lasco time) 16:20-17:30 UT C2 door closed calibrations of orange filter. 17:45 UT Lasco C1,C2,C3 doors opened. 19:00 UT C2-C3-EIT synoptic program resumed. 21-Nov-1999 C1,C2,C3 Doors Closed; EIT High Cadence in 195A. 20-Nov-1999 Instrument/LEB power ON; Cals; EIT High Cadence; TM Submode 6 17:06 UT S/C power sent to Lasco/EIT. Instrument booted. 17:44 UT EIT door opened. 17:58-19:00 UT EIT,C1,C2,C3 dark images, normal images taken. 19:20 UT EIT high cadence in 195A at 7 minutes till 11/22. 19-Nov-1999 Instrument/LEB Power Off for Leonids Meteor Showers. 18-Nov-1999 Instrument/LEB Power Off for Leonids Meteor Showers. 17-Nov-1999 Instrument/LEB Power Off for Leonids Meteor Showers. 16-Nov-1999 (C2-C3-EIT synoptic) All Doors Closed; TM Submode 6 11:35 UT C2,C3,EIT dors closed in prep of Leonids Meteor Showers. 11:47 UT instrument/LEB power OFF, till Nov 20th. No Images. See: ftp://lasco6.nascom.nasa.gov/pub/hk/leonids99.html for operations and monitoring during Leonids. 15-Nov-1999 (C2-C3-EIT synoptic) ICE-A REBOOT; Mercury Transit; TM Submode 6 02:06 UT ICE-A REBOOT. 02:35 UT uplinked l_set_lobt (set Lasco time) 17:35-02:30 UT EIT Mercury Transit Program. 3 minute cadence in North subfield region. All filters. 14-Nov-1999 (C2-C3-EIT synoptic) Colors; TM Submode 6 Weekly C2,C3 deep red filter polarizer sequence taken. 13-Nov-1999 (C2-C3-EIT synoptic) Darks, Cals, Colors; 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. 12-Nov-1999 (C2-C3-EIT synoptic) TM Submode 6 11-Nov-1999 EIT High Cadence 195A program till 20:10 UT; TM Submode 6 20:20 UT Lasco C2,C3 doors opened. C1 remains closed. 20:40-21:20 UT EIT Mercury transit coordinates and exp tests. 21:48-22:30 UT C1 Orange filter pB flat fields taken. 22:57 uplinked l_set_lobt (set Lasco time) 10-Nov-1999 Lasco Doors Closed; EIT High Cadence 195A program; TM Submode 6 09-Nov-1999 Lasco Doors Closed; EIT High Cadence 195A program; TM Submode 6 08-Nov-1999 (C2-C3-EIT synoptic) C1 pB; Velocities; Lasco Doors Closed; SM5 00:00-05:00 UT EIT, Coronal transient Velocities (#6223) 195A 8x8 block, 12 min cadence(executed with CME watch) 19:46 UT transition TM Submode 5 (7.9 kb/sec) to TM Submode 6 (15.8 kb/sec) 20:34 UT C1,C2,C3 doors closed in prep for momentum management S/C maneuvers of 11/9. C1 pB program ends. No Lasco images till 11/11 19:00 UT 21:00 UT EIT begins high cadence program till 11/11 19:00 UT. FFFres images in 195A at a 7 minute cadence 07-Nov-1999 (C2-C3-EIT synoptic) C1 pB; Colors; Velocities; TM Submode 5 Weekly C2,C3 deep red filter polarizer sequence taken. 19:00-24:00 UT EIT, Coronal transient Velocities (#6223) 195A 8x8 block, 12 min cadence(executed with CME watch) 06-Nov-1999 (C2-C3-EIT synoptic) C1 pB; Darks,Cals,Colors; TM Submode 5 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. 05-Nov-1999 (C2-C3-EIT synoptic) C1 pB, Velocities; TM Submode 5 05:00-20:00 UT EIT, Coronal transient Velocities (#6223) 195A 8x8 block, 12 min cadence(executed with CME watch) 04-Nov-1999 (C2-C3-EIT synoptic) C1 pB, TM Submode 5 22:16 uplinked l_set_lobt (set Lasco time) 03-Nov-1999 (C2-C3-EIT synoptic) C1 pB, Velocities, TM Submode 5 06:00-24:00 EIT, Coronal transient Velocities (#6223) 195A 8x8 block, 12 min cadence(executed with CME watch) 02-Nov-1999 (C2-C3-EIT synoptic) C1 pB, ICAL001; Cals; TM Submode 5 17:00-18:45 UT EIT Intercalibration 001; CDS TRACE SUMER 20:30-22:00 UT EIT post bake calibrations completed: Cont RO, charge transfer, linearity, underscan. 01-Nov-1999 (C2-C3 Synoptic) C1 pB, EIT Bakeout Ends; Cals, SOHO-91;SM4 to 5 SOHO-91 Kreutz Sungrazing comet discovered by D. Biesecker. Faint comet visible in C3 data only from 10/31 12:52 - 11/01 13:50 UT. 15:00 UT EIT bakeout ends; cooldown dark program begins. 20:00 UT transition TM Submode 4 (5.2 kb/sec) to SM 5(7.9 kb/sec) 21:18 UT uplinked l_set_lobt (set Lasco time) 21:38-24:00 EIT post bake cals: Calibration lamps x2, burnareas, FFFres dark images x4