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

	Date:		27 April 2007
	-----

 	Last revision:	11 May 2007 (Ko)
	--------------

	File Name: 	2007.04.27.a.log
	----------

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

	UVCS Activity:	Flush and Abort IQ/BQ
	--------------	Transmit OVI Exposure
                        Ramp Down and Power off OVI Detector
                        Turn on LYA Detector
			Conduct LYA Stimulus Pulse Test
			Ramp Up LYA Detector HV to nominal setting (195)
			Load and Start LyA Detector Diagnostic for 
			27 April 2007
                        Ramp Up LYA Detector HV to 200
			Load and Start Suprathermal Seed Particle Population 
                        Observations (Diagnostics Study) for 27 April 2007  
                        Load and Start LyA Detector Diagnostic for
                        27 April 2007
                        Ramp Down LYA Detector HV to nominal setting (195)
			Load and Start Suprathermal Seed Particle Population
                        Observations (Diagnostics Study) for 27 - 28 April 2007
			Load Suprathermal Seed Particle Population
                        Observations (Diagnostics Study) for 28 - 30 April 2007

	SOHO Activity:	
        --------------  

	EOF Staff:	A. Panasyuk: Lead Scientist
	----------	Y.-K. Ko: Commander, Planner
			M. Uzzo: Planner
			R. Wu

	Command file:	07.04.27.13:21:24.cmd.log

	Activity:
	---------

	1) LYA Stimulus Pulse Test

	Sequence: TakeUV_TxN.tcl

	SCI_SPEC: Calibration

	OBS_PROG: Calibration

	SCI_OBJ:  Calibration

	OBJ:      

	CMP_NAME:

	CMP_NUM:

	Duration: start: 2007.04.27.16:23
		    end: 2007.04.27.16:27

	ONUMs = 23312 (2 exps)

	Instrument configuration:

		- Pointing:  Sun center

                - Spacecraft Roll:  0 Degrees

		- Roll: 90 Degrees (35156)

		- Mirror/Occulter:  3.0 Ro
				    1.5 mm overocculting

		- LYA Slit:   150 um
		- OVI Slit:   100 um

		- LYA GRTPOS: 100000
		- OVI GRTPOS: 210000

		- LYA MCP Voltage: 0 
		- OVI MCP Voltage: 0 

		- LYA mask:   msk_000303 in slot 3

	Fits Files:

q07.04.27.16:20:01.lya.dat

	2) LYA Detector Diagnostic

	Sequence: LYA_100_chk.tcl

	SCI_SPEC: Calibration

	OBS_PROG: Spatial Resolution

	SCI_OBJ:  Calibration

	OBJ:      Coronal Hole

	CMP_NAME: 

	CMP_NUM:  

	Duration: start: 2007.04.27.16:51
                    end: 2007.04.27.17:22

	ONUMs =	23313 (6 exps) 

	Instrument configuration:

		- Pointing:  Sun center

		- Spacecraft Roll:  0 Degrees

		- Roll: 180 Degrees (51551)

		- Mirror/Occulter:  1.75 Ro
				    1.5 mm overocculting

		- LYA Slit:   100 um
		- OVI Slit:   100 um 

		- LYA GRTPOS: 100000
		- OVI GRTPOS: 210000

		- LYA MCP Voltage: 195 

		- LYA mask:   LYA_chk_1xfull in slot 6

	Fits Files:

q07.04.27.16:42:04.lya.dat

	3) Suprathermal Seed Particle Population Observation Diagnostic Study
              
	Sequence: 07.04_Seed_Diag.tcl, n12hr = 0, n6hr = 1, n50min = 0

	SCI_SPEC: 

	OBS_PROG: Primary: Spectral Resolution
		  Sub_Obj: Sensitivity

	SCI_OBJ:  Primary: Plasma Properties...Density
		  Sub_Obj: Plasma Properties...Proton Temperature

	OBJ:      Coronal Hole

	CMP_NAME: 

	CMP_NUM:  

	Duration: start: 2007.04.27.17:34
		    end: 2007.04.27.23:38

	ONUMs =	23315 (72 exps)

	Instrument configuration:

		- Pointing:  Sun center

		- Spacecraft Roll:  0 Degrees

		- Roll: 180 degrees (51551)

		- Mirror/Occulter:  2.70 Ro
				    1.5 mm Overocculting

		- LYA Slit:   300 um
		- OVI Slit:   100 um 

		- LYA GRTPOS: 100000
		- OVI GRTPOS: 210000

		- LYA MCP Voltage: 200

		- LYA mask:   LYA_wing_100 in slot 5

	Fits Files:

q07.04.27.17:33:34.lya.dat

	4) LYA Detector Diagnostic

	Sequence: LYA_100_chk.tcl

	SCI_SPEC: Calibration

	OBS_PROG: Spatial Resolution

	SCI_OBJ:  Calibration

	OBJ:      Coronal Hole

	CMP_NAME: 

	CMP_NUM:  

	Duration: start: 2007.04.27.23:39
                    end: 2007.04.28.00:10

	ONUMs =	23316 (6 exps) 

	Instrument configuration:

		- Pointing:  Sun center

		- Spacecraft Roll:  0 Degrees

		- Roll: 180 Degrees (51551)

		- Mirror/Occulter:  1.75 Ro
				    1.5 mm overocculting

		- LYA Slit:   100 um
		- OVI Slit:   100 um 

		- LYA GRTPOS: 100000
		- OVI GRTPOS: 210000

		- LYA MCP Voltage: 200

		- LYA mask:   LYA_chk_1xfull in slot 6

	Fits Files:

q07.04.27.23:38:33.lya.dat

	5) Suprathermal Seed Particle Population Observations Diagnostic Study
              
	Sequence: 07.04_Seed_Diag.tcl, n12hr = 0, n6hr = 1, n50min = 0

	SCI_SPEC: 

	OBS_PROG: Primary: Spectral Resolution
		  Sub_Obj: Sensitivity

	SCI_OBJ:  Primary: Plasma Properties...Density
		  Sub_Obj: Plasma Properties...Proton Temperature

	OBJ:      Coronal Hole

	CMP_NAME: 

	CMP_NUM:  

	Duration: start: 2007.04.28.00:22
		    end: 2007.04.28.06:27

	ONUMs =	23317 (72 exps)

	Instrument configuration:

		- Pointing:  Sun center

		- Spacecraft Roll:  0 Degrees

		- Roll: 180 degrees (51551)

		- Mirror/Occulter:  2.70 Ro
				    1.5 mm Overocculting

		- LYA Slit:   300 um
		- OVI Slit:   100 um 

		- LYA GRTPOS: 100000
		- OVI GRTPOS: 210000

		- LYA MCP Voltage: 195 

		- LYA mask:   LYA_wing_100 in slot 5

	Fits Files:

q07.04.28.00:22:22.lya.dat