MDM Observatory 2.4m Telescope Observing Report for 2020 Feb 24

Observer(s): Wei Sun
Institution(s): University of Michigan

Instrument: OSMOS

Worked for 14 hours (all night)
Conditions were Mixed most of the night.
Problems were encountered, see the separate trouble report for details.

Seeing and Weather:
   High Humidity from 20:50 until 07:00.
   Beg: Clear, Winds Calm
   Mid: Clear, Winds Calm, high humidity
   End: Clear, Winds Calm, high humidity

Observing Summary:

High humidity encountered periodically since the middle of the night, and observation was ceased three times:

20:50 -- 22:15, 02:13 -- 02:56, and 04:30 till the end.

Non-synchronous dome rotation encountered at ~20:00 and solved by resetting the telescope and
dome to home positions.

Besides that, water dropped from the dome when opening the main shutter.

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Submitted on 2020 Feb 25 [7:27:39]