MDM Observatory 2.4m Telescope Observer's Report for 2005 Feb 01

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

Instrument: CCDs B&C spectrograph

Worked for 12 hours (all night)
Conditions were Non-Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Beg: Seeing 2 arcsec, Cirrus, Winds Calm
   Mid: Seeing 2 arcsec, Cirrus, Winds Light & Variable
   End: Seeing 2 arcsec, Clear, Winds Calm

Observing Summary:

At several occasions the telescope lost the guide probe and started to oszillate within a ~10 arcsec amplitude in right ascension. The zenith distance as well as the hour angle were
not unusual (ZD within 15 deg and hour angle within less than
2 hours. The telescope recovered by stopping the auto guider.

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Submitted on 2005 Feb 2 [7:00:09]