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

	Date:		18 Jan 2012
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 	Last revision:	20 Jun 2012 (RR)
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	File Name: 	2012.01.18.a.log
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	Compiled by:	R. Rosati
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	UVCS Activity:  Recover UVCS from soft safe configuration
        --------------	Ramp up Lya detector HV
			Conduct LyA detector dark rate diagnostic


				
	SOHO Activity:	
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	EOF Staff:	R. Rosati: Commander
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	Command file:   12.04.13.22:42:44.cmd.log


	Activity:
	---------

	1) Ramped up Lya detector high voltage
   
	Sequence: Manual

	SCI_SPEC: HV ramped up


	OBS_PROG:


	SCI_OBJ:



	OBJ:

	CMP_NAME: 

	CMP_NUM:  

	Duration: start: 2012.04.13.20:30
		    end: 2012.04.13.20:45

	ONUMs = 

	Instrument configuration:

		- Pointing:  Sun center

		- Spacecraft Roll: 180 Degrees

		- Roll:	163.3 Degrees (5406)

		- Mirror/Occulter:  2.7 Ro
				    1.5 mm overocculting for
                                    mirror position of 2.5 Ro


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

		- LYA GRTPOS: 83040
		- OVI GRTPOS: 98000

		- LyA MCP Voltage: 210

		- LyA mask: 

	Fits Files:







	2) LyA Detector Dark Rate Diagnostic
   
	Sequence: LYA_dark_chk 27452 17965 

	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: 2012.04.13.20:57
		    end: 2012.04.13.21:57

	ONUMs = 27452 (11 exps)

	Instrument configuration:

		- Pointing:  Sun center

		- Spacecraft Roll:  180 Degrees

		- Roll:	94.4 Degrees (17965)

		- Mirror/Occulter:  5.0 Ro
				    0.8 mm exposed mirror


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

		- LYA GRTPOS: 83040
		- OVI GRTPOS: 98000

		- LyA Filter Engaged

		- LyA MCP Voltage: 210

		- LyA mask: LYA_chk_1xfull in slot 6

	Fits Files:

q12.04.13.20:56:34.lya.dat