YALO Nightly Observing Report for 1999 Sep 15

Observer: David Gonzalez
Observed all night from 23:16 to  UTC.
Conditions were Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Beg: Seeing 1.8 arcsec, Clear, Winds Moderate
   Mid: Seeing 2.2 arcsec, Clear, Winds Moderate
   End: Seeing 2.4 arcsec, Clear, Winds Light & Variable

Observing Summary:

The whole programme was succesfully accomplished. I wish I had had better seeing.
Differential magnitude of Aql X-1:
R=2.1
V=0.92

David

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Submitted by David Gonzalez on 1999 Sep 16 [6:10:15]