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Mauna Loa Solar Observatory Observer's Log
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Tue Sep 29 16:23:26 GMT 2026
Year:26 Doy:272
Observer: mcotter
Weather COMMENT BY mcotter: Tue Sep 29 16:28:39 GMT 2026
MLSO Current Weather 
Timestamp (UTC): 2026-09-29 16:20:00
Temperature    : 39.72  deg F
Dew Point      : 24.95  deg F
Pressure       : 679.56 mbar
Wind Speed     : 8.5 mph
Wind Direction : 210.6  deg

Skies: Clear but very hazy skies with patches of Cirrus clouds visible on the far east and west horizons. 
The inversion layer is visible on the horizon well above Haleakala. 
Cold this morning with spots of frost visible on surfaces.
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GENERAL COMMENT BY mcotter: Tue Sep 29 16:39:28 GMT 2026
Dome open.

The dome area windows remain closed at this time due to moderate winds from the south.
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** KCOR PM mcotter ** : Tue Sep 29 16:39:41 GMT 2026
Blew off Kcor O1
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** UCOMP PM mcotter ** : Tue Sep 29 16:39:49 GMT 2026
Blew off UCoMP O1
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Tue Sep 29 17:13:14 GMT 2026 Kcor Focus/alignment program exited
KCOR  BY mcotter: Tue Sep 29 17:18:22 GMT 2026
Kcor:

The Sun arrives over the dome sill for the Kcor instrument to observe at approximately 0714 HST.

An attempt was made to put Kcor on sky to observe but the sky is much too bright to observe at this time.
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Tue Sep 29 18:20:29 GMT 2026 Kcor Focus/alignment program exited
Tue Sep 29 18:56:04 GMT 2026 Report Time: 18:55:44 UTC
Image: 20260929_184805_kcor_l2_nrgf.gif
Obs time: 18:48:05
First Seen: 18:34:11 UT
CME Front Height: 1.69 Rs (front)
CME Front Angle: 268.4
East Edge Angle: 267.0
West Edge Angle: 276.9
Angular Width: 10.0
CME Speed: moderate
CME Brightness: moderate
Confidence: high
Observer Comment: Long thin CME observed launching from western hemisphere.


GENERAL COMMENT BY mcotter: Tue Sep 29 19:25:19 GMT 2026
noaa construction:

Site construction has started on the site for the day and unfortunately there are signs of dust in the spar web cam image.
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KCOR COMMENT BY mcotter: Tue Sep 29 19:26:48 GMT 2026
Kcor:

Due to NOAA onsite construction taking place observations have been paused due to dust being generated by heavy equipment.
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KCOR COMMENT BY mcotter: Tue Sep 29 20:39:50 GMT 2026
Kcor:

Onsite construction has ended for today and Kcor is back on sky and observing.
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** KCOR PM mcotter ** : Tue Sep 29 20:40:13 GMT 2026
Blew off Kcor Field Lens
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Tue Sep 29 20:59:55 GMT 2026 KCOR Start Calibration script: c:\kcor\mlso-calibration22deg-20171025.ini
Tue Sep 29 21:15:09 GMT 2026 KCOR End Calibration Script
** KCOR PM mcotter ** : Tue Sep 29 22:26:36 GMT 2026
Washed Kcor O1.  O1# SN3 was washed with soap and water.  Lens was mostly clean but there was some dust and residue on both surfaces.  SN3 will remain in the flow bench until we are ready to go on sky.
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  BY mcotter: Wed Sep 30 00:51:58 GMT 2026
Orographic clouds came into the observatory area from the south and west and completely obscured the Sun.

The dome was closed and the instrument and spar were stopped.
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Wed Sep 30 00:53:39 GMT 2026 Kcor Focus/alignment program exited
KCOR COMMENT BY KCOR: Wed Sep 30 00:54:23 GMT 2026
KCOR file transfer report
KCor created  868 .bin files  
868 .fts files  
  Remote site is complete ? no rsync required.

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  BY mcotter: Wed Sep 30 02:26:09 GMT 2026
End Of Day:

Good observing in the morning until clouds came up in the early afternoon.
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Logger COMMENT BY mcotter: Wed Sep 30 02:26:14 GMT 2026
Log closed
ONSITE STAFF: mcotter
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