YALO Telescope Observer's Report for 2001 May 15 Observer: Juan Espinoza Observed for most of the night from 01:14 to 10:33 UTC. Conditions were Mixed most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing >3 arcsec, Patchy Clouds, Winds Light & Variable Mid: Seeing >3 arcsec, Clear, Winds Light & Variable End: Seeing 1.8 arcsec, Clear, Winds Light & Variable, to moderate Observing Summary: Hello all, A nasty start for me. Program about half completed. Observations began late because of low clouds and humidity only to go through a few hours a really bad seeing, way above 3'' at times. Seeing conditions did improve at the end of the night. SN2001x was not observed for it was out of reach when the came time for it. Yale magnitudes: Xte1550 was observed but I was not able to get a reading on the object itself. Cen X-4 0.14 4u1543 1.3 that is all ------------------------------ Submitted by Juan Espinoza on 2001 May 16 [6:53:36]