MDM Observatory 2.4m Telescope Observing Report for 2019 Feb 10

Observer(s): Rupert
Institution(s): MDM

Instrument: OSMOS/B

Worked for 10.5 hours (most of the night)
Conditions were Non-Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   High Humidity from 4:30 until end.
   Beg: Seeing 1.3 arcsec, Clear, Winds Calm
   Mid: Seeing 1.3 arcsec, Cirrus, Winds Light & Variable, Unstable Seeing
   End: Seeing 1.2 arcsec, Clear, Winds Light & Variable

Observing Summary:

Some light cirrus came and went between 10 and midnight.
The humidity rose at a slow pace for most of the night.
At about 4 it rose quicker and, eventually, above the observing
limit. Ended up closing for the night at 4:30.

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Submitted on 2019 Feb 11 [5:06:12]