MDM Observatory 2.4m Telescope Observing Report for 2019 Feb 28

Observer(s): Nunez, Lawler
Institution(s): Columbia, CUNY

Instrument: OSMOS 4K

Worked for 9 hours (all night)
Conditions were Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Beg: Clear, Winds Light & Variable
   Mid: Patchy Clouds, Winds Light & Variable
   End: Clear, Winds Light & Variable

Observing Summary:

Night started clear with humidity rising up to 60%, then it 
fell down to 30% abruptly, Cirrus clouds rolled in, limiting guiding.
Clouds went away by 4 AM.
We had to re-focus the telescope a couple of times, it more or less coincided with the 
sudden change in humidity.

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Submitted on 2019 Mar 1 [5:31:17]