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

	Date:		20 Oct 2010
	-----

 	Last revision:	20 Apr 2011 (RR)
	--------------

	File Name: 	2010.10.20.a.log
	----------

	Compiled by:	R. Rosati
	------------

	UVCS Activity:  Ramp down and turn off OVI detector
	--------------	Turn on and ramp up Lya detector
			Conduct LyA Stimulus Pulse Test
			Load Suprathermal Seed Particle Population Observation
			20 Oct 2010 - 22 Oct 2010

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

	EOF Staff:	A. Panasyuk: Lead Scientist
	----------	R. Rosati: Commander
		
			

	Command file:   10.10.21.01:18:46.cmd.log

	Activity:
	---------

        1) OVI detector ramped down and turned off
   
        Sequence: Manual

        SCI_SPEC: Following completion of the OVI observations of Spica, the
		  OVI detector is ramped down and turned off.


        OBS_PROG: 

        SCI_OBJ:   

        OBJ:

        CMP_NAME: 

        CMP_NUM:  

        Duration: start: 2010.10.20.20:00
                    end: 2010.10.20.20:15

        ONUMs = 

   
        Instrument configuration:

                - Pointing:  Sun center

                - Spacecraft Roll:  0 Degrees

                - Roll:  -118 Degrees (56620)
                         

                - Mirror/Occulter:  1.7 Ro
                                    1.5 mm overocculting

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

                - LYA GRTPOS: 83040
                - OVI GRTPOS: 204380

                - LYA DETECTOR POWERED OFF
                - OVI DETECTOR POWERED OFF

                - OVI mask:

        Fits Files:




        2) LyA detector turn on, LyA Stimulus Pulse Test conducted, ramped up HV
   
        Sequence: Manual, TakeLYA_TxN 120 2 

        SCI_SPEC: After switching off OVI detector, the LyA detector is turned on
                  a stimulus pulse test is completed, then HV ramped up


        OBS_PROG:


        SCI_OBJ:



        OBJ:

        CMP_NAME: 

        CMP_NUM:  

        Duration: start: 2010.10.20.20:36
                    end: 2010.10.20.20:40

        ONUMs = 26634 (2 exps)

        Instrument configuration:

                - Pointing:  Sun center

                - Spacecraft Roll:  0 Degrees

                - Roll: -118 Degrees (56620)

                - Mirror/Occulter:  5.0 Ro
                                    0.8 mm exposed mirror


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

                - LYA GRTPOS: 83040
                - OVI GRTPOS: 204380

                - LyA MCP Voltage: 0

                - LyA mask: LYA_303_8x2 in slot 3

        Fits Files:

q10.10.21.00:35:02.lya.dat



        3) LyA Detector Dark Rate Diagnostic
   
        Sequence: LYA_dark_chk 26635 51551

        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 OVI filter and then disengages it at end.

        OBS_PROG: Calibration


        SCI_OBJ:  Calibration



        OBJ:    Coronal Hole

        CMP_NAME: 

        CMP_NUM:  

        Duration: start: 2010.10.20.21:08
                    end: 2010.10.20.22:08

        ONUMs = 26635 (12 exps)

        Instrument configuration:

                - Pointing:  Sun center

                - Spacecraft Roll:  0 Degrees

                - Roll: -90 Degrees (51551)

                - Mirror/Occulter:  5.0 Ro
                                    0.8 mm exposed mirror


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

                - LYA GRTPOS: 83040
                - OVI GRTPOS: 204380

                - LyA Filter Engaged

                - LyA MCP Voltage: 210

                - LyA mask: LYA_chk_1xfull in slot 6

        Fits Files:

q10.10.21.01:07:41.lya.dat



        4) Suprathermal Seed Particle Measurement
   
        Sequence: 09.08_Seed 26636 64300 27 5 3 0 0

        SCI_SPEC: 

        OBS_PROG: Primary: Spectral Resolution
                  Sub_Obj: Sensitivity


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



        OBJ:      Streamer

        CMP_NAME: 

        CMP_NUM:  

        Duration: start: 2010.10.20.22:22
                    end: 2010.10.22.13:12

        ONUMs = 26636 (57 exps)
                26637 (53 exps)
                26638 (56 exps)
                

        Instrument configuration:

                - Pointing:  Sun center

                - Spacecraft Roll:  0 Degrees

                - Roll: -160 Degrees (64300)

                - Mirror/Occulter:  2.7 Ro
                                    1.5 mm overocculting


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

                - LYA GRTPOS: 83040
                - OVI GRTPOS: 204380

                - LYA MCP Voltage: 210

                - LYA mask: LYA_wing_100 in slot 5

        Fits Files:

q10.10.21.02:21:43.lya.dat
q10.10.21.15:52:23.lya.dat
q10.10.22.05:23:03.lya.dat