YALO Nightly Observing Report for 1999 Aug 17 Observer: David Gonzalez Observed all night from 23:45 to 9:10 UTC. Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.6 arcsec, Cirrus, Winds Moderate Mid: Seeing 1.6 arcsec, Cirrus, Winds Moderate End: Seeing 2.0 arcsec, Cirrus, Winds Moderate Observing Summary: Details of obs. problems are found in the trouble report. Differential Magnitude of Aql X-1: V=0.165 R=2.54 Charles, let me know early if you will need u sky flats so that I can have time to do them. Some images look elongated as we had winds (20 mph) throughout the night. A PC has been installed. I suppose it is the one Darren mentioned once, as the person who installed it did not leave any message or note about it. David ------------------------------ Submitted by David Gonzalez on 1999 Aug 18 [5:18:51]