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

	Date:		24 August 2009
	-----

 	Last revision:	27 August 2009 (Wu)
	--------------

	File Name: 	2009.08.26.a.log
	----------

	Compiled by:	M. Uzzo, R. Wu
	------------

	UVCS Activity:	OVI Detector Rate Diagnostic for 26 August 2009
	--------------	Coronal Hole Detector Background Study for 
			26 - 27 August 2009
			
	SOHO Activity:	
        --------------  

	EOF Staff:	J. Kohl: Lead Scientist
	----------	R. Wu: Commander
			M. Uzzo: Planner

	Command file:	09.08.25.14:39:00.cmd.log

	Activity:
	---------

	1) OVI Detector Dark Rate Diagnostic

	Sequence: OVI_dark_chk.tcl

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

	OBS_PROG: Calibration

	SCI_OBJ:  Calibration

	OBJ:      Coronal Hole

	CMP_NAME: 

	CMP_NUM:  

	Duration: start: 2009.08.26.15:17
                    end: 2009.08.26.16:18

       	ONUMs =	25713 (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:   100 um
		- OVI Slit:    50 um 

		- LYA GRTPOS: 100000
		- OVI GRTPOS: 210000

		- OVI Filter Engaged

		- OVI MCP Voltage: 205 

		- OVI mask:   OVI_chk_1xfull in slot 6

	Fits Files:

q09.08.26.15:17:19.ovi.dat

	2) Coronal Hole Detector Background Study
   
	Sequence: 09.08_hole_BG.tcl, n=6, m=1, p=1, r=0, e=0 

	SCI_SPEC: Determine the dark background of the OVI detector
		  to provide correction for the coronal hole study. 

	OBS_PROG: Primary: Spectral Resolution
		  Sub_Obj: Calibration

	SCI_OBJ:  Calibration...Instrument Profile

	OBJ:      Coronal Hole

	CMP_NAME: 

	CMP_NUM:  

	Duration: start: 2009.08.26.16:20
		    end: 2009.08.27.09:54

	ONUMs =	25714 (320 exps)
		25715 (190 exps)

	Instrument configuration:

		- Pointing:  Sun center

		- Spacecraft Roll:  0 Degrees

		- Roll:	0 Degrees (18762)

		- Mirror/Occulter:  5.0 Ro
				    2.37 mm exposed mirror

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

		- LYA GRTPOS: 100000
		- OVI GRTPOS: 232100
		
		- OVI Filter Engaged

		- OVI MCP Voltage: 205

		- OVI mask:   OVI_Hole_BG in slot 1

	Fits Files:

q09.08.26.16:20:02.ovi.dat
q09.08.27.03:21:22.ovi.dat