YALO Telescope Observer's Report for 2002 Feb 20

Observer: Juan Espinoza
Observed all night from 00:16 to 09:39 UTC.
Conditions were Photometric most of the night.
Problems were encountered, see the summary for details.

Seeing and Weather:
   Beg: Seeing 1.8 arcsec, Clear, Winds Calm
   Mid: Seeing 1.8 arcsec, Clear, Winds Calm
   End: Seeing 1.8 arcsec, Clear, Winds Calm

Observing Summary:


Not a very good night of observing tonight.  Few system crashes
along with a TCS crash that cost us about 40 minutes worth of observing.
Plus bad seeing for most of the night.

Asteroid .obs were did not turned out as good as yesterday.  Target did center
itself on the middle of the chip, but the telescope did not stabilized and only 
a small streak showed up on the six tries I performed.

Differetial magnitudes for:

Cen X-4:   0.37
4u143:     1.34
xte1550:   5.11

That is all



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Submitted by Juan Espinoza on 2002 Feb 21 [4:54:11]