YALO Telescope Observer's Report for 2001 Apr 20 Observer: Juan Espinoza Observed all night from 23:26 to 09:50 UTC. Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.4 arcsec, Cirrus, Winds Calm Mid: Seeing 1.2 arcsec, Cirrus, Winds Calm, to clear sky End: Seeing 1.2 arcsec, Clear, Winds Light & Variable Observing Summary: Program completed with no complications. Only the first two Y20003 targets were observed, the third did not have a guide star near and the fourth was too late to start. Yale magnitudes: Cen X-4 0.4 4u1543 1.31 xte1550 6.62 Aql X-1 3.44 That is all ------------------------------ Submitted by Juan Espinoza on 2001 Apr 21 [6:30:09]