YALO Telescope Observer's Report for 2002 Feb 19

Observer: Juan Espinoza
Observed all night from 00:14 to 09:40 UTC.
Conditions were Photometric most of the night.
Problems were encountered, see the summary for details.

Seeing and Weather:
   Beg: Seeing 1.2 arcsec, Clear, Winds Calm
   Mid: Seeing 1.2 arcsec, Clear, Winds Calm
   End: Seeing 1.4 arcsec, Clear, Winds Light & Variable

Observing Summary:


Photometric program completed with few problems, being mainly computer crashes.

Asteroid observations were correctly accomplished during the last three frames.  For some strange reason
the telescope does not move as it should for the first 15 or so minutes, as will see on the first three bad frames.

Differential magnitudes for:

Cen X-4:   0.34
4u1543:    1.34
xte1550:   5.14

That is all


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Submitted by Juan Espinoza on 2002 Feb 20 [4:50:51]