UVCS MISSION LOG
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	Date:		06 April 2009
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 	Last revision:	06 April 2009 (Wu)
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	File Name: 	2009.04.04.a.log
 	----------

	Compiled by:	M. Uzzo, R. Wu
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	UVCS Activity:	LYA Detector Dark Rate Diagnostic for 04 April 2009  
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	SOHO Activity:
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	EOF Staff:	A. Panasyuk: Lead Scientist
	----------	M. Uzzo: Commander, Planner
			R. Wu

	Command file:	09.04.03.11:45:59.cmd.log

	Activity:
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	1) LYA Detector Dark Rate Diagnostic

	Sequence: LYA_dark_chk.tcl

	SCI_SPEC: Determine Dark count rate for LYA detector. Instrument 
		  rolled to coronal hole, 5.0 Ro with 0.8 mm exposed mirror. 
		  Script engages LyA filter and then disengages it at end.

	OBS_PROG: Calibration

	SCI_OBJ:  Calibration

	OBJ:      Coronal Hole

	CMP_NAME: 

	CMP_NUM:  

	Duration: start: 2009.04.04.23:31
                    end: 2009.04.05.00:31

       	ONUMs =	25286 (12 exps)

	Instrument configuration:

		- Pointing:  Sun center

		- Spacecraft Roll:  0 Degrees

		- Roll: 0 Degrees (18762)

		- Mirror/Occulter:  5.0 Ro
                                    1.5 mm overocculting

		- LYA Slit:    50 um
		- OVI Slit:   100 um 

		- LYA GRTPOS: 100000
		- OVI GRTPOS: 210000

		- LYA Filter Engaged

		- LYA MCP Voltage: 200

		- LYA mask:   LYA_chk_1xfull in slot 6

	Fits Files:

q09.04.04.23:30:41.lya.dat