YALO Telescope Observer's Report for 2002 May 22 Observer: David Gonzalez Observed all night from 22:25 to 09:02 UTC. Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 2.2 arcsec, Patchy Clouds, Winds High Mid: Seeing 1.4 arcsec, Clear, Winds High End: Seeing 1.8 arcsec, Clear, Winds Calm Observing Summary: Hola, Programme fully observed with the typical crashes of the WC. Differential magnitudes of, Cen X-4 0.185 4u1543 1.3 Aql X-1 3.435 XTE1550 6.79 V4641 Frame Mag 0020 1.15 0033 1.14 0040 1.575 0041 1.505 0042 1.54 0043 1.23 0044 1.185 0045 1.065 0046 1.03 0047 1.04 0048 1.04 0049 1.07 0050 1.105 0051 0.88 0052 1.06 0053 1.415 0054 1.62 0055 1.395 0056 1.39 0057 1.435 0058 1.515 0059 1.27 0076 1.48 That's it, David ------------------------------ Submitted by David Gonzalez on 2002 May 23 [5:09:13]