MDM Observatory 2.4m Telescope Observing Report for 2012 Mar 26

Observer(s): Harrison & Devour
Institution(s): University of Michigan

Instrument: OSMOS

Worked for 7 hours (off and on through the night)
Conditions were Mixed most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Clouds from 24:00 until 3:00.
   Beg: Seeing 1 arcsec, Clear, Winds Moderate
   Mid: Cirrus, Winds Moderate
   End: Seeing 1.5 arcsec, Clear, Winds Moderate

Observing Summary:

Started with pointing and focusing around 19:30 - 20:15.
Spent the next couple hours doing calibrations.
Observed cluster targets until ~0:30, when high cirrus washed out our alignment stars.
Clouds cleared some around 3:00, from 3-5 observed ongoing microlensing event. 

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Submitted on 2012 Mar 27 [5:33:44]