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

	Date:		14 August 2009
	-----

 	Last revision:	25 August 2009 (Wu)
	--------------

	File Name: 	2009.08.16.a.log
	----------

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

	UVCS Activity:	OVI Detector Dark Rate Diagnostic for 16 August 2009
	--------------	Coronal Hole Detector Background Study for 
			16 - 18 August 2009 

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

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

	Command file:	09.08.14.11:46:32.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: 2009.08.16.16:17
                    end: 2009.08.16.17:18

       	ONUMs =	25682 (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:

q09.08.16.16:16:54.ovi.dat

	2) Coronal Hole Detector Background Study
   
	Sequence: 09.08_hole_BG.tcl, n = 17, m = 0, 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: 2009.08.16.17:20
		    end: 2009.08.18.16:10

	ONUMs =	25683 (295 exps)
		25684 (320 exps)
		25685 (307 exps)
		25686 (320 exps)
		25687 ( 80 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:

q09.08.16.17:19:37.ovi.dat

GAP between 08/16/09|23:07:57( 4052) and 08/16/09|23:54:55( 8564)

q09.08.17.04:20:57.ovi.dat
q09.08.17.15:22:17.ovi.dat

GAP between 08/17/09|22:08:54( 5656) and 08/17/09|22:34:51( 8147)

q09.08.18.02:23:37.ovi.dat
q09.08.18.13:24:57.ovi.dat