YALO Telescope Observer's Report for 2001 Mar 19

Observer: David Gonzalez
Observed all night from 00:04 to 09:46 UTC.
Conditions were Non-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 1.2 arcsec, Overcast, Winds Calm

Observing Summary:

Hello,

Programme partially accomplished for time reasons. See logs for details. We had heavy clouds coming from the east at the end of the night which forced me to stop observing.

SN for Dr. Nicholas Boris Suntzeff was observed succesfully (finally!) with some minor details like the title of the second set of IR images.

Differential magnitudes for,
A0620    0.47
Cen X-4  0.34
XTE1550  4.46
4u1543   1.31

I'm sending the following tapes to Lisbon and New Haven,
PORTUGAL   2001_0228 - 2001_0313  1 tape
YALO       2001_0313 - 2001_0318  7 tapes
The above totals 8 tapes.

Remember that Juan is taking over today, so try to update him with evey change we have had lately.

See you next week,

David


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Submitted by David Gonzalez on 2001 Mar 20 [6:35:35]