OSU/RC Queue Observing UTC 2011 June 3 (civil date 2011 June 2/3) ============================================================================== Observer: Paul Martini (OSU), Joe Antognini (OSU), George Privon (UVa) Observing Assistant: David Gonzalez Support Astronomer : Olga Kuhn Instrumentation : =========== Instrument: =========== LBC ========= Summary: ========= We were able to observe three ~30min OBs to completion (QSO0959, NGC4258 Monitor, and QSO1522-gz) in the first part of the night. Seeing was around 1". After 2.5 hours, we closed for winds and remained closed for the rest of the night. ========= Details: ========= 01:00 Conditions fairly clear, although wind near limit Taking bias frames 02:30 Sunset 02:55 Starting rz twilight flats (scaled 1:1, well matched) OB/LBC crashed, restarted fairly quickly 03:12 Starting gi twilight flats, counts fairly low so scaling by 30 03:42 Starting dofpia on QSO0959 field 03:47 Starting QSO0959-ri. Seeing started at about 1.5, but quickly improved to about 1" 04:00 Twilight ends 04:25 Finished QSO0959-ri. Seeing ~1". Slew to NGC4258 offset focus field. 04:28 Started dofpia. 04:35 Started NGC4258 monitor OB. Initial seeing ~1". 05:11 Finished NGC4258 monitor. Seeing remained steady at ~1". 05:13 Pointing on WT10_228. 05:24 Slew to QSO1522. Running dofpia. 05:28 Running QSO1522-gz2. Seeing ~0.8". 05:45 Some degredation in image qualtiy in blue channel after first exposure. Improved in subsequent exposures. ~06:00 Finished QSO1522-gz2. Started dofpia. 06:18 Running QSO1522-gz1. Seeing ~0.8" in red, ~1.3" in blue. 06:37 Stopped after 4 dither positions to check wind. 06:50 Closing for wind. 10:16 Calling it a night. 10:30 Twilight begins 12:00 Sunrise