MDM Observatory 2.4m Telescope Observer's Report for 2004 Feb 26

Observer(s): Vanlandingham
Institution(s): Columbia

Instrument: Templeton direct

Worked for 8 hours (most of the night)
Conditions were Photometric most of the night.
Problems were encountered, see the separate trouble report for details.

Seeing and Weather:
   High Humidity from 3am until .
   Beg: Seeing 1.3 arcsec, Cirrus, Winds Calm
   Mid: Seeing 1.1 arcsec, Clear, Winds Light & Variable
   End: Clear, Winds Calm, high humidity

Observing Summary:

Some thin cirrus at start of night.  Clearing as night progressed.  Humidity rose quickly around 3am forcing shut down.  Intermittent tracking problems (described in trouble report).  Guider lost star several times.  Cycled drives off and on and guider was OK.  Without guider the tracking would slowly drift.

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Submitted on 2004 Feb 27 [3:46:19]