YALO Nightly Observing Report for 1999 Jul 24 Observer: David Gonzalez Observed all night from 22:57 to 8:48 UTC. Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.4 arcsec, Clear, Winds Calm Mid: Seeing 1.8 arcsec, Clear, Winds Calm End: Seeing 1.8 arcsec, Clear, Winds Calm Observing Summary: Programme 100% accomplished. Some mistakes in the IR filenames that I have already corrected Trim images available. Differential magnitude of Aql X-1 ------------------------------ Submitted by David Gonzalez on 1999 Jul 25 [5:04:17]