YALO Nightly Observing Report for 1999 Sep 18 Observer: David Gonzalez Observed all night from 23:43 to 9:49 UTC. Conditions were Photometric most of the night. Problems were encountered, see the summary for details. Seeing and Weather: Beg: Seeing 1.4 arcsec, Clear, Winds Calm Mid: Seeing 1.8 arcsec, Clear, Winds Calm End: Seeing 1.6 arcsec, Clear, Winds Calm Observing Summary: I could not observe MB99047 (too close to the moon). Differential magnitude of Aql X-1: R=2.13 V=0.705 David ------------------------------ Submitted by David Gonzalez on 1999 Sep 19 [5:55:42]