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Mauna Loa Solar Observatory Observer's Log
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Mon Apr 20 16:34:36 GMT 2026
Year:26 Doy:110
Observer: lisapg
Weather COMMENT BY lisapg: Mon Apr 20 16:35:19 GMT 2026
MLO Current Weather 
Timestamp (UTC): 2026-04-20 16:32:00
Temperature    : 39.57  deg F
Dew Point      : 29.6  deg F
Pressure       : 679.43 mbar
Wind Speed     : 9.17 mph
Wind Direction : 208.1  deg
Skies: Haze at about 11,000 ft nd possibly a little bright in the East but sky is clear!
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** KCOR PM lisapg ** : Mon Apr 20 16:46:49 GMT 2026
Blew off Kcor O1
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GENERAL COMMENT BY lisapg: Mon Apr 20 16:47:05 GMT 2026
Dome open
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GENERAL COMMENT BY lisapg: Mon Apr 20 16:47:11 GMT 2026
Opened windows upstairs
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KCOR COMMENT BY lisapg: Mon Apr 20 16:57:20 GMT 2026
Kcor not above dome yet.
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Mon Apr 20 17:03:23 GMT 2026 Kcor Focus/alignment program exited
Mon Apr 20 17:05:10 GMT 2026 KCOR Start Synoptic Patrol
** Guider/spar PROBLEM REPORTED BY lisapg ** : Mon Apr 20 17:19:06 GMT 2026
Guider/spar Guider appeared to clear its self and the RA seemed to jump, not sure what happened but it came back fine.
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Mon Apr 20 17:42:56 GMT 2026 KCOR End  Patrol
Mon Apr 20 17:46:03 GMT 2026 KCOR Start Synoptic Patrol
** KCOR PROBLEM REPORTED BY berkey ** : Mon Apr 20 17:46:05 GMT 2026 entry was edited
Kcor circular acquisition error and jumped polarization states.  Data between 17:33:01 to 17:42:53 show these bad states.
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Weather COMMENT BY lisapg: Mon Apr 20 18:39:44 GMT 2026
MLO Current Weather 
Timestamp (UTC): 2026-04-20 18:35:00
Temperature    : 46.81  deg F
Dew Point      : 36.0  deg F
Pressure       : 680.32 mbar
Wind Speed     : 2.46 mph
Wind Direction : 27.8  deg
Skies: Orographic clouds coming in from the SE and SW, keeping a close eye on them.
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Mon Apr 20 18:41:48 GMT 2026 KCOR End  Patrol
Mon Apr 20 18:41:59 GMT 2026 KCOR End  Patrol
Weather COMMENT BY lisapg: Mon Apr 20 18:43:13 GMT 2026
MLO Current Weather 
Timestamp (UTC): 2026-04-20 18:38:00
Skies: Clouds crossing, KCor idled for now.
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** KCOR PM lisapg ** : Mon Apr 20 20:00:10 GMT 2026
KCor Hepa prefilter replaced
While clouds came in, we changed the lower Hepa prefilter and the Hepa motor.
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GENERAL COMMENT BY lisapg: Mon Apr 20 20:01:20 GMT 2026
Dome closed
Dark clouds came in and are currently sitting over the observatory. Dome closed just in case of rain.
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Weather COMMENT BY lisapg: Mon Apr 20 20:58:19 GMT 2026
MLO Current Weather 
Timestamp (UTC): 2026-04-20 20:53:00
Temperature    : 46.05  deg F
Dew Point      : 39.47  deg F
Pressure       : 680.72 mbar
Wind Speed     : 2.91 mph
Wind Direction : 263.5  deg
Skies: Dark clouds still above, currently blowing fog at present
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GENERAL COMMENT BY lisapg: Tue Apr 21 02:02:20 GMT 2026
Tom Berger came up and we gave him the tour of the site.
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Weather COMMENT BY lisapg: Tue Apr 21 02:03:35 GMT 2026
MLO Current Weather 
Timestamp (UTC): 2026-04-21 01:59:00
Temperature    : 48.06  deg F
Dew Point      : 41.14  deg F
Pressure       : 679.34 mbar
Wind Speed     : 13.42 mph
Wind Direction : 278.3  deg
Skies: Been in and out of thick clouds for the rest of the day. Hopefully tomorrow is a better, longer data day.
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Logger COMMENT BY lisapg: Tue Apr 21 02:03:41 GMT 2026
Log closed
ONSITE STAFF: berkey, lisapg, Tom Berger
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