YALO Telescope Observer's Report for 2001 May 09

Observer: David Gonzalez
Observed for most of the night from 22:50 to 09:06 UTC.
Conditions were Non-Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Clouds all night.
   Beg: Seeing 1.8 arcsec, Cirrus, Winds Calm
   Mid: Seeing 1.4 arcsec, Patchy Clouds, Winds Calm
   End: Seeing 1.6 arcsec, Cirrus, Winds Calm

Observing Summary:

Hello,

Programme partially observed due to clouds. I stopped observing for a couple of hours as we had a total overcast.

Differential magnitudes of,
Cen X-4   0.38
XTE 1550  6.81
4u1543    1.33
Aql X-1   3.5

That's it,

David


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Submitted by David Gonzalez on 2001 May 10 [5:09:55]