UVCS MISSION LOG
				----------------

	Date:		18 February 2004
	-----

 	Last revision:	24 February 2004 (Phillips)
	--------------

	File Name: 	2004.02.20.a.log
	-----------

	Compiled by:	Y.-K. Ko
	------------

	UVCS Activity:  Star Calibration using 38 Aquarius for 
	--------------	20 February 2004
			Star Calibration using 38 Aquarius for 
			20 February 2004
			Load Synoptic for 20 - 21 February 2004
			Load North Coronal Observations for
			21 February 2004
			Load North Coronal Observations for
			21 - 22 February 2004
			Load North Coronal Observations for 
			22 February 2004
			Load Mini Synoptic for 22 February 2004
                   	
	SOHO Activity:  
	--------------  

	EOF Staff:	L. Gardner: Lead Scientist
	----------	Y.-K. Ko: Commander
			M. Uzzo: Planner
                        R. Wu

	Command file:	04.02.18.22:55:32.cmd.log
                        04.02.20.1::.cmd.log

	Activity:
	--------

	1) Star Calibration of 38 AQR

	Sequence: 04.02_38Aqr.tcl

	SCI_SPEC: Star Observations to determine mirror degradation through 
		  comparison of stellar intensity at various occulter settings
		  from this study and a similar study of the same star in 1996.
                  Also pointing calibration.

	OBS_PROG: Calibration

	SCI_OBJ:  Calibration...??????????????????????

	OBJ:      Star...38 Aqr

	CMP_NAME:

	CMP_NUM:

	Duration: start: 2004.02.20.09:05
		    end: 2004.02.20.13:16

	ONUMs = 20990 (116 exps)
	
	Instrument configuration:

		- Pointing:  Sun center

                - Roll: 228 degrees (27510)
 
                - Mirror/Occulter: 1.75 Ro
				   1.5 mm overocculting
 
                - LYA Slits:   50 um
                - OVI Slits:  150 um
 
                - LYA GRTPOS: 128000
                - OVI GRTPOS: 210000

		- OVI MCP Voltage: 200 
 
                - OVI mask:   Star_5x2 in slot 5
 
	Fits Files:

q04.02.20.08:31:34.ovi.dat
q04.02.20.08:31:34.vld.dat

	2) Star Calibration of 38 AQR

	Sequence: 04.02_38Aqr.tcl

	SCI_SPEC: Star Observations to determine mirror degradation through 
		  comparison of stellar intensity at various occulter settings
		  from this study and a similar study of the same star in 1996.
                  Also pointing calibration.

	OBS_PROG: Calibration

	SCI_OBJ:  Calibration...??????????????????????

	OBJ:      Star...38 Aqr

	CMP_NAME:

	CMP_NUM:

	Duration: start: 2004.02.20.14:50
		    end: 2004.02.20.17:43

	ONUMs = 20991 (80 exps)
	
	Instrument configuration:

		- Pointing:  Sun center

                - Roll: 242 degrees (30059)
 
                - Mirror/Occulter: 2.5 Ro
				   1.5 mm overocculting
 
                - LYA Slits:   50 um
                - OVI Slits:  150 um
 
                - LYA GRTPOS: 128000
                - OVI GRTPOS: 210000

		- OVI MCP Voltage: 200 
 
                - OVI mask:   Star_5x2 in slot 5
 
	Fits Files:

q04.02.20.13:17:05.ovi.dat
q04.02.20.13:17:05.vld.dat

GAP between 02/20/04|14:24:23( 6060) and 02/20/04|14:27:53( 6394)

	3) OVI Synoptic Sequence Load and Start

	Sequence: SynopticB:Start

	SCI_SPEC: Synoptic studies.  LYA HV & Power off / OVI voltage at 200,
		  LYA grating position now at 128000 "permanently".

	OBS_PROG: Synoptic

	SCI_OBJ:  Synoptic

	OBJ:      Entire Corona

	CMP_NAME:

	CMP_NUM:

	Duration: start: 2004.02.20.18:07
		    end: 2004.02.21.09:19

	ONUMs = 44500 (53 exps)
		44501 (53 exps) 
		44502 (35 exps)
		44503 (53 exps)
		44504 (53 exps)
		44505 (53 exps)
		44506 (33 exps)
		44507 (53 exps)

	Instrument configuration:

		- Pointing:  Sun center

                - Spacecraft Roll:  180 Degrees

		- Roll:	E: ovi_str, SE: ovi_str, S: ovi_ch, SW: ovi_str, 
			W: ovi_str, NW: ovi_str, N: ovi_ch, NE: ovi_str

		- Mirror/Occulter:

			lya_str:  3.00, 2.50, 2.10, 1.90, 1.75, 1.60 Ro
			lya_ch:   2.10, 1.90, 1.75, 1.60 Ro
			ovi_str:  3.00, 2.10, 1.90, 1.75, 1.60 Ro
			ovi_ch:   1.90, 1.75, 1.60 Ro
			mini_str: 2.10, 1.75, 1.60 Ro
			mini_ch:  1.90, 1.75, 1.60 Ro

			1.5 mm overocculting (1.60 Ro)
			2.0 mm overocculting (1.75, 1.90, 2.10, 2.50, 3.00 Ro)

		- LYA Slits:   50 um
		- OVI Slits:  100 um (LyA Synoptic)
			      150 um (OVI, and Mini Synoptic)

		- LYA GRTPOS: 128000
		- OVI GRTPOS: 177596 (LyA Synoptic)
			      229000 (OVI, and Mini Synoptic)

		- OVI MCP Voltage: 200 

		- OVI mask:   OVI_Syn_178 in slot 2 (LyA Synoptic)
			      OVI_Syn_230 in slot 1 (OVI, and Mini Synoptic)

	Fits Files:

z04.02.20.18:03:52.ovi.dat
z04.02.20.18:03:52.vld.dat
z04.02.20.20:07:58.ovi.dat
z04.02.20.20:07:58.vld.dat
z04.02.20.22:11:52.ovi.dat
z04.02.20.22:11:52.vld.dat
z04.02.20.23:35:04.ovi.dat
z04.02.20.23:35:04.vld.dat
z04.02.21.01:38:56.ovi.dat
z04.02.21.01:38:56.vld.dat
z04.02.21.03:42:52.ovi.dat
z04.02.21.03:42:52.vld.dat
z04.02.21.05:46:31.ovi.dat
z04.02.21.05:46:31.vld.dat
z04.02.21.07:09:51.ovi.dat
z04.02.21.07:09:51.vld.dat