McDonald 2.1m Argos July 2012 Observer: JJ Hermes Date (UT) : 2012-07-15 Start time (UTC): 04:48:47 Run Length : 5560 Number of frames: 1113 Star name : J1753.5-0127 Coordinates : 17 53 28.3 -01 27 06 Chip Position : 245,180 Exposure time : 5 Magnitude : V~16.5 Filter : BVR Seeing (") : 1.3 Temp (F) : 66 Humidity (%) : 60 Wind (mph) : 4 Particle (ppcf) : 15000 Cloud : 3/10 ------------------------------------------------ Information relevant to the whole night: Sunset : 21:06 CDT Sunrise : 6:59 CDT Moonrise : 03:57 CDT Moonphase: 0.145 ------------------------------------------------ Restarting from run J1753-4, which ended in "can't isolate stars error". Rebooted opus and camera controller. Also reseated both ends of taxi cable. Timecheck (04:49:55) OK NTP:GPS time started the run at -20 ms. Not majorly different, but the 05:00:00 *beep beep* from the observatory time seemed a touch delayed, probably by about 20 ms, so the offset was noticeable but not major. Could be the NTP time that's the problem, though. The times settled down to a < 10 ms offset by 1500s into the run. A few stray clouds to start this run, but mostly 0/10 to finish. Moving on to next target so I can get a solid 4+ hours on it.