YALO Nightly Observing Report for 1999 Sep 29

Observer: David Gonzalez
Observed for most of the night from 23:54 to 9:10 UTC.
Conditions were Non-Photometric most of the night.
Problems were encountered, see the summary for details.

Seeing and Weather:
   Beg: Seeing 1.2 arcsec, Cirrus, Winds Light & Variable
   Mid: Seeing 2.0 arcsec, Patchy Clouds, Winds Light & Variable
   End: Seeing 1.6 arcsec, Patchy Clouds, Winds Light & Variable, more than patchy clouds

Observing Summary:

The average seeing value was 1.2 for the first part of the night, however, most images taken in I band recorded 1.0 arcsec.
Differential magnitude of Aql X-1 (observed through clouds):
R= 1.78
Image of Aql X-1 could not be trimmed as clouds were too think when taken.
Some targets were not observed because of clouds.

David

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Submitted by David Gonzalez on 1999 Sep 30 [5:23:18]