MDM Observatory 2.4m Telescope Observing Report for 2013 Jan 20

Observer(s): Matthias Dietrich
Institution(s): Ohio University

Instrument: OSMOS

Worked for 10 hours (all night)
Conditions were Non-Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Clouds from ~3am until 6am.
   Beg: Seeing 1.3 arcsec, Cirrus, Winds Calm
   Mid: Seeing 0.9 arcsec, Cirrus, Winds Calm
   End: Patchy Clouds, Winds Calm

Observing Summary:

This night 2 standard stars and 4 BALQSOs were observed. At the
beginning of the night there was some cirrus all over the sky.
Around 3am the cirrus had grown stronger and also some clouds
moved in. These conditions were not useful for the BALQSOs which
were about 17mag and fainter. The transparency was rather low with
only stars brighter than 2 to 3 mag were visible.
The Dome was closed at 3:15 am

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Submitted on 2013 Jan 21 [3:15:35]