YALO Telescope Observer's Report for 2001 Feb 25

Observer: J. Vasquez
Observed all night from 00:12 to  UTC.
Conditions were Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Beg: Seeing 1.6 arcsec, Clear, Winds Moderate
   Mid: Seeing 1.4 arcsec, Clear, Winds Calm
   End: Seeing 1.2 arcsec, Clear, Winds Calm

Observing Summary:

Hi all,

At the begin of the night, I can't observing the object Mrk 590, because there is not a star guide, I observed the next object
and back to the Mrk 590, but still there is not a star guide, so... I have follow the program.

After one hour of observing, the seeing is very bad: (01:00 UT)
seeing=2.95 the imagen is very bad, I have to stopped observing and wait that the seeing to get better...
Winds from the north too..

01:30 ut, started observing.
06:00 ut, the weather conditions are better.

Diff. Mag:     AO620=0.45
             xte1550=0.48
             Cen X-4=0.21
              4u1543=1.31 
             xte1550=0.47


It is all
Joselino

 

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Submitted by J. Vasquez on 2001 Feb 26 [5:14:43]