MDM Observatory 2.4m Telescope Observing Report for 2011 May 09

Observer(s): Matthias Dietrich
Institution(s): OSU

Instrument: OSMOS

Worked for 6 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 23:00 until 01:30.
   Beg: Seeing 1.3 arcsec, Clear, Winds Calm
   Mid: Seeing 1.2 arcsec, Clear, Winds Calm
   End: Seeing n1.8 arcsec, Clear, Winds Calm

Observing Summary:

three BALQSOs and two standard stars have been observed. The seeing
was in the range of 1.3 arcsec and quite stable during the night.
Due to high humidity (>85%), the dome was closed at 23:00 and could
be re-opened to continue observations at 1:30. The humidity was at
83% and falling. At the end of the night around 4:50 the humidity
exceeded again 85%.


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Submitted on 2011 May 10 [5:14:15]