YALO Telescope Observer's Report for 2002 Jan 23 Observer: S. Pizarro Observed all night from 00:23 to 09:04 UTC. Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.6 arcsec, Clear, Winds Calm Mid: Seeing 1.8 arcsec, Clear, Winds Calm End: Seeing 2.0 arcsec, Clear, Winds Calm Observing Summary: Hello, Most of the programme (photometric) was covered with a twice of crashes of WC (03:20 and 08:24). (one crash more at time of calibrations...) Some elongation in frames of project p20012 . Variable seeing (between 2.0 and 1.5 ) I don't observed the follow frames: *SN2001ig (out of the limits..) *KH15D (last set...the same..out the limits) *Nova Musca and gx339 (last set) in order to cover the high priority objects (XTE1550). Differential magnitude for XTE1550: 3.95 ( 15.83 - (11.70+12.06)/2 ) The first ccd (v) frame of gx339 with jump. Cheers, Sergio PS: 1) I can't download the x1608 from ftp.astronomy.ohio-state.edu ...pub/YALO (is these file found ?) 2) Please, send me the location (web page) of gx339's find Chart. ------------------------------ Submitted by S. Pizarro on 2002 Jan 24 [4:27:42]