LASCO/EIT Operations Status
Daily Reports -- May 1998   

31-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6; SOHO-54 & 55)

	K. Schenk discovers sungrazing comets SOHO-54 and SOHO 55
	in the C3 Data starting May 30 1998 at 18;15 UT.

30-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6; Instrument REBOOT)

	Weekly Dark Images taken C1,C2,C3,EIT
	13:54 UT EIT Sector Wheel Hang during campaign support.
	FOT performed system auto REBOOT procedures.
	Synoptics resumed 18:01 UT

29-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6)

28-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6; SOHO-53)

	l_set_lobt executed at 16:50 UT
	EIT "burn area" calibrations executed 16:03-16:49 UT 
	S. Stezelberger discovers sungrazing Comet SOHO-53
		in C3 data from 1998 May 28

27-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6)

	FP startup settings readjusted 19:58 UT

26-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6)

	New (circa 19 May 1998) FP settings uplinked at 15:10 UT

25-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6; LEB REBOOT)

	LEB power cycled at 18:46 UT to resolve OBE anomaly
		(operator error: "Graceful Flush Q")
	l_set_lobt executed at 17:34 UT

24-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6; TLM problem)

	Network problem interrupted NRT and TLM 21:46 UT until
	00:33 UT 1998 May 25. LASCO/EIT idle 21:35-22:33 UT because
	of interrupted realtime commanding session; all data after
	22:33 UT recorded at DSN station.  
	Alpha Tauri (Aldebaran) enters C3 field of view in SW

23-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6)

22-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6)

21-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6; l_set_lobt)

	l_set_lobt uplinked at 20:24 UT

20-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6)

	UVCS/MGS support, C3 W. limb, 20:30-21:30 UT

19-May-1998  (C1-C2-C3-EIT synoptic; TM Submoce 6)

	UVCS/MGS support, C3 W. limb, 22:00-23:00 UT
	FP engineering, 15:24-19:24 UT

18-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6)

	UVCS/MGS support, C2 W. limb, 22:00-23:00 UT
	
17-May-1998  (C1-C2-C3 synoptic; TM Submode 4-6)

	EIT 4-step Synoptics only; 01:00,07:00,13:00,19:00 UT
	20:27 UT Transition from Submode 4-6 (15.8 Kb/sec)
	22:00-23:00 UT C2 Mars Global Surveyor campaign (West Limb)
	21:00 UT EIT continues CME WATCH program.

16-May-1998  (C1-C2-C3 synoptic; TM Submode 4 (5.3 Kb/sec)

	EIT 4-Step Synotics only; 01:00,07:00,13:00,19:00 UT

15-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 5-4)

	17:00-18:00 UT C2 Mars Global surveyor campaign. (West Limb) 
	20:00 UT transition from Submode 5-4 (5.3 Kb/sec)
	Submode 4 till Sunday 20:00 UT. 

14-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 5)

	EIT JOP_078 17:00-01:00 UT; 304 Program.	

13-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 5)

	17:30-18:30 EIT JOP_080; Shutterless Mode in 195A (230 images 4X3)

12-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 5)

11-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6-5; l_set_lobt)

	01:15-11:15 UT; C1 South Polar FeX campaign
	16:00 UT Transition from Submode 6-5 (7.9 Kb/sec)
	Submode 5 till Friday, May 15 at 20:00
	17:37 UT; reset l_set_lobt (on-board time)

	Mars Seen in C1 East field of view.

10-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6)

	Weekly C1 FeXIV Polarizer Sequence taken X3.

09-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6; l_set_lobt)

	17:37 UT; reset l_set_lobt (on-board time)
	C1,C2,C3,EIT weekly dark images taken.
	EIT calibrations; Calibration lamp and burn areas taken.
	22:00-23:00 UT C2 Mars Global surveyor campaign. 
	(Mars campaign will continue in C2 May 15th, 1998)

08-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6)

	16:00-17:00 UT EIT; JOP_059 

07-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6)

	C3 full-resolution color sequence 19:15 UT (for Comet SOHO-49)
	22:00-23:00 UT C2 Mars Global surveyor campaign.

06-May-1998  (C1-C2-C3-EIT synoptic; SOHO-137; TM Submode 6)

	UVCS/MGS subfield support shifted to C2 (22-23:00 UT)

	SOHO-137 Kreutz Sungrazing Comet discovered
                by D. Hammer. Fairly bright comet with
		easily visible tail seen in C2 data only 
		from 05/06 05:27 UT to 10:07 UT.

	X flare/SPE; PROTON event; no impact to science plan

05-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6)

	C3 E. limb subfields executed 22:00-23:00 UT
	(support for UVCS/MGS radio scintillations campaign)
	EIT shutterless mode tests continued
	C3 full-resolution color sequence 16:40 UT (for Comet SOHO-49)

04-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6; SOHO-49; SOHO-136)

	EIT pre-shutterless-mode tests executed (BLOCKW filter)
	C3 full-resolution color sequence 19:38 UT (for Comet SOHO-49)
	C3 H-Alpha observations discontinued

	SOHO-49 Comet discovered by S. Stezelberger. NON-Kreutz comet
		visible in C3 data only.

	SOHO-136 Kreutz Sungrazing Comet discovered
                by D. Hammer. Faint comet with no
		visible tail seen in C2 data only 
		from 05/04 15:58 UT to 18:58 UT.

03-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6; SPE cycle)

	Nominal synoptic observations reestablished by 17:00 UT

02-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6; SPE cycle)

	Solar Proton Event in GOES data; LASCO/EIT commanded into
	a 12-minute cycle at 18:36 UT

01-May-1998  (C1-C2-C3-EIT synoptic; TM Submode 6)

	C3 H-Alpha observations continuing