YALO Nightly Observing Report for 1999 Sep 14 Observer: David Gonzalez Observed all night from 23:17 to 10:00 UTC. Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.8 arcsec, Clear, Winds Calm, just thin cirrus that spread out quickly Mid: Seeing 2.0 arcsec, Clear, Winds Calm End: Seeing 2.0 arcsec, Clear, Winds Calm Observing Summary: Some cirri led me to wait for a while before starting the Portugal programme. Then I noticed they had spread out making the conditions optimal (or ------------------------------ Submitted by David Gonzalez on 1999 Sep 15 [6:17:03]