MDM Observatory 1.3m Telescope Observing Report for 2009 Jun 03

Observer(s): Ondrej Pejcha
Institution(s): OSU

Instrument: 4K

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

Seeing and Weather:
   Clouds all night.
   Beg: Seeing 1.3 arcsec, Cirrus, Winds Moderate
   Mid: Seeing 1.3 arcsec, Cirrus, Winds Calm
   End: Seeing 1.3 arcsec, Cirrus, Winds Calm

Observing Summary:

Conditions were non-photometric due to cirrus 
throughout the night. The seeing was rather stable. Several 
exposures were lost again due to guider loosing track occasionaly. 
Apparently, this occurs especially when observing at higher airmass 
close to the eastern horizon. I tried to do 75s exposures without guiding,
but the tracking error made stars elliptical in RA.

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Submitted on 2009 Jun 4 [4:46:23]