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		Mauna Loa Solar Observatory Observer's Log 
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	Fri Feb 25 18:39:19 GMT 2000
Year: 00  Doy: 056
Observer: yasukawa
WEATHER COMMENT: Fri Feb 25 18:40:19 GMT 2000
Cool, in broken cirrus, strong southeast wind.  Huge brushfire on east
slope of Mauna Kea, heavy smoke across saddle.
Fri Feb 25 18:41:31 GMT 2000	CHIP	 Startup--Initializing new tape
Fri Feb 25 18:45:09 GMT 2000	PICS	 Start Patrol
Fri Feb 25 18:45:15 GMT 2000    MKIV    Start Patrol
COMMENT: Fri Feb 25 18:45:23 GMT 2000
Late start, wife out of town, had to deliver kids to school at a decent
hour before leaving for observatory.
WEATHER COMMENT: Fri Feb 25 19:10:33 GMT 2000
still in thin cirrus.
**PSPT PROBLEM**: Fri Feb 25 19:10:54 GMT 2000
Looked at waveform at U4, pin 11, Y-Drive output, on the mirror servo
card.  During active mirror vibration and fuzzy imaging, I saw
a finely stepped (superimposed on top of) sinewave approximately
15-17 volt P-P, at around 20 ms.  When the mirror stopped oscillating
and operated normally, irregular sinewave appeared, approximately 1 volt
peak, at around 100 ms.  Will continue troubleshooting to determine if
oscillation is coming from U4 or an input source to U4.  This procedure
is opportunistic as the oscillation is intermittent.
**** EVENT COMMENT ****: Fri Feb 25 20:10:01 GMT 2000
Streamer with base at PA 45 appears to be expanding northward at its 
outer edges.
COMMENT: Fri Feb 25 20:33:07 GMT 2000
PSPT demanded attention by losing guiding,  meanwhile the main system
spar declination reset itself.  Caught it in good time, repointed
spar and reset guider.
WEATHER COMMENT: Fri Feb 25 20:53:17 GMT 2000
in thin cirrus
**PSPT PROBLEM**: Fri Feb 25 20:55:04 GMT 2000
Guider keeps trying to drive spar away from sun, mostly in RA, toward west.
Stopped obs.  putting active mirror oscillation investigation on back 
burner for now, looking into guiding problem. Will try another gdr
ephmcal.
**CHIP PROBLEM**: Fri Feb 25 21:10:53 GMT 2000
I don't know how long CHIP was stalled at the usual place while
I was working on PSPT stuff.  Did a Cancel Wait to resume program.
**PSPT PROBLEM**: Fri Feb 25 21:34:50 GMT 2000
Looking back thru tablet, problem may be due to continued lack of 
range on the declination limit ring. When I checked, it looked like there m
be lots of range, but it may already have been driving off into 
never-never land, totally lost.
**PSPT PROBLEM**: Fri Feb 25 21:44:14 GMT 2000
Pointed spar to sun with guider servo off, looks like I was correct in
my first observation that there was plenty of room left on the 
declination limit ring so that was not the problem.
WEATHER COMMENT: Fri Feb 25 22:03:43 GMT 2000
In cirrus
**CHIP PROBLEM**: Fri Feb 25 22:04:20 GMT 2000
CHIP stalled again.... again while I was tending to PSPT!!!
Cancelling Wait to resume.
Fri Feb 25 22:07:15 GMT 2000	PICS	 End Patrol
Fri Feb 25 22:08:09 GMT 2000	CHIP	 CHIP End Patrol
Fri Feb 25 22:08:40 GMT 2000	CHIP	 ending tape
COMMENT: Fri Feb 25 22:12:49 GMT 2000
Tapes:
MKIV:  00-056
PICS:  P01674
CHIP:  C01053
LOWL:  L00673 in drive #0
Fri Feb 25 22:13:49 GMT 2000 
	MkIV	
 
18_45.rawmk4   19_26.rawmk4   20_18.rawmk4   20_59.rawmk4   21_40.rawmk4
18_48.rawmk4   19_29.rawmk4   20_21.rawmk4   21_02.rawmk4   21_43.rawmk4
18_51.rawmk4   19_32.rawmk4   20_23.rawmk4   21_05.rawmk4   21_46.rawmk4
18_54.rawmk4   19_35.rawmk4   20_26.rawmk4   21_08.rawmk4   21_49.rawmk4
18_57.rawmk4   19_41.rawmk4   20_29.rawmk4   21_11.rawmk4   21_52.rawmk4
19_00.rawmk4   19_47.rawmk4   20_32.rawmk4   21_14.rawmk4   21_55.rawmk4
19_03.rawmk4   19_54.rawmk4   20_35.rawmk4   21_17.rawmk4   21_58.rawmk4
19_06.rawmk4   19_57.rawmk4   20_38.rawmk4   21_20.rawmk4   22_01.rawmk4
19_09.rawmk4   20_00.rawmk4   20_41.rawmk4   21_23.rawmk4   22_04.rawmk4
19_12.rawmk4   20_03.rawmk4   20_44.rawmk4   21_26.rawmk4   c19_38.rawmk4
19_14.rawmk4   20_06.rawmk4   20_47.rawmk4   21_29.rawmk4   c19_44.rawmk4
19_17.rawmk4   20_09.rawmk4   20_50.rawmk4   21_32.rawmk4   c19_51.rawmk4
19_20.rawmk4   20_12.rawmk4   20_53.rawmk4   21_35.rawmk4
19_23.rawmk4   20_15.rawmk4   20_56.rawmk4   21_38.rawmk4