MDM Observatory 2.4m Telescope Observing Report for 2012 Apr 27

Observer(s): Brendan Miller
Institution(s): Michigan

Instrument: OSMOS+blue4k

Worked for 8 hours (all night)
Conditions were Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Beg: Seeing 1.6 arcsec, Clear, Winds Light & Variable
   Mid: Seeing 1.5 arcsec, Clear, Winds Calm
   End: Seeing 1.2 arcsec, Clear, Winds Calm

Observing Summary:

Light wind died away by middle of night; humidity got up 
to ~50 but not higher. No obvious clouds. Seeing was a
bit jumpy at beginning of night. Hit brief snag with 
disperser mechanism-out-of-position error but Paul Martini
explained to just reset it. Slit switching was fine. 


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Submitted on 2012 Apr 28 [5:29:10]