YALO Telescope Observer's Report for 2001 Feb 23

Observer: J. Vasquez
Observed all night from 00:06 to  UTC.
Conditions were Photometric most of the night.
No equipment or software problems were encountered.

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

Observing Summary:

Hi all,

The started of the program was good.

The object 1999DE9 was done with 6 exposures in R of 1200s each.

Diff.of Mag:   AO620=0.27
             Cen x-4=0.19
             xte1550=0.07 
              4u1543=1.32  
             xte1550=3.58

The program was executed without problems.
  
bye,
Joselino

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Submitted by J. Vasquez on 2001 Feb 24 [5:14:23]