YALO Nightly Observing Report for 1999 Oct 1

Observer: David Gonzalez
Observed for most of the night from 1:32 to 9:37 UTC.
Conditions were Photometric most of the night.
No equipment or software problems were encountered.

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

Observing Summary:

A late start because of high humidity (result of the long hours of yesterday's snow).
Differential magnitude of Aql X-1:
R=2.08
V= could not be trimmed (IRAF sent the following message while clicking on star 3: ERROR on line 136: floating point overflow)
Quest 1B2 was observed unguided (not a single star in the field).
The last three targets could not be observed (time reasons).
I took sky flats in U band in the morning (nice isn't it!)

David

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Submitted by David Gonzalez on 1999 Oct 2 [6:24:41]