Date: Fri, 28 May 1999 03:35:47 -0600
From: long@apo.nmsu.edu (Dan Long)
Subject: 2.5m obslog 990527 ( MJD 51326 )
                          THURSDAY MAY 27, 1999
                     APACHE POINT OBSERVATORY SDSS 2.5m
                              OBSERVING  LOG
    Observering team:   Dan Long                (APO)
                        Francisco Castander     (UC)
                        Adrian Pope             (CMU)
   The telescope was not opened tonight due to weather.  Clouds thinned
enough by 02:00 that first magnitude stars could be seen.  However our only
choice for a second half of the night plate was within 25 deg of the moon
and already well over by 02:00.  Given that and the fact a cartridge change
would also be required, it was decided that we wouldn't have time to get
anything useful, even if it miraculously cleared at 02:30 ( which it didn't
).
   The spectrograph and guider were powered down in preparation for optics
removal Friday.  This is to facilitate rotator servo work which may
possibly cause oscillations.
                                WEATHER
   Weather tonight started mostly cloudy.  It clouded over completely by
sunset, and there were several thunderstorms in the area to the north and
west.  It rained briefly around 22:00.  The clouds persisted for the rest
of the night, thinning after 01:00.  Winds were light northeasterly, the
dewpoint depression varied between 2.5 and 10 C.
                                  Dan