MDM Observatory 2.4m Telescope Observing Report for 2018 Aug 11

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

Instrument: OSMOS/B

Worked for 4 hours (part of the night)
Conditions were Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Rain from 10 until 12.
   Beg: Seeing 2.2 arcsec, Patchy Clouds, Winds Calm
   Mid: Overcast, Winds Calm
   End: Seeing 1.6 arcsec, Patchy Clouds, Winds Calm

Observing Summary:

Evening started off fine. Seeing wasn't great, but I
could take data, anyway. Around ten a storm rolled in.
I performed the lightning shutdown procedure for both
telescopes. Got back on sky around 2:30. About half an
hour later the humidity rose above the observing limit
stayed that way the rest of the night. 

No mechanical or software issues.

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Submitted on 2018 Aug 12 [4:13:40]