OSU/RC Queue Observing UTC 2010 Dec. 06 (civil date Dec 05/06 2010) =============================================================================== Observer: Paul Martini (OSU), David Atlee (OSU), Erica Hesselbach (ND) Observing Assistant: Steve Allason Support Astronomer : Marco Pedani Instrumentation : Tim Shih =========== Instrument: =========== LBC ========= Summary: ========= Non-photometric night with seeing of 0.8 arcsec at the beginning, 1.0 arcsec in the middle and around 1.4 arcsec toward the end. - OSU_monitor B,R bands for NGC 6946 U,B,V,R bands for NGC 672 U,B,V,R bands for NGC 628 U,B,V,R bands for NGC 2403 U,B,V,R bands for NGC 925 U,V,r,R bands for M81 U,B,V,R bands for M82 U,B,V,R bands for NGC 2903 U,B,V,R bands for NGC 3344 U,B,V,R bands for NGC 3489 U,B,V,R bands for NGC 4258 U,B,V,R bands for M101 - OSU_weaklensing r,i bands for 3rd OB (of 4) - OSU_qso g,z bands for QSO 0244-08 (1/3 OBs) - OSU_clusterconf r,i,z bands for RXJ0834+45 ============= Observing Log: ============= 0:07 open dome 0:30 sunset up-date pointing of the telescope ============= OSU_monitor ===-========= 1:27 slewing to target position (NGC 6946) 1:40 starting OB (airmass 1.3, seeing 0.8") 1:47 last good image in Blue channel 1:50 Blue channel throws error (vacuum sensor timeout) Essentially only red channel was executed for N6946 02:21 adjust telescope collimation/focus 02:27 re-start OB for NGC 6946 02:29 stop OB 02:30 point telescope to NGC 672 02:37 begin adjusting collimator/focus 02:41 begin OB for NGC 672 (airmass 1.05, seeing 0.8") 03:07 focus degrading on Red camera, no bright star on AO tech chip -- switched to OSU_weaklensing -- 04:23 point telescope to NGC 628 focus field 04:31 point telescope to NGC 628 (airmass 1.06, seeing 0.7") 05:07 slew telescope to NGC 2403 focus field 05:14 begin OB for NGC 2403 (airmass 1.65, seeing 1.0") 05:28 slew telescope to NGC 925 focus field 05:38 begin OB for NGC 925 (airmass 1.02, seeing 0.7") -- switched to OSU_qso -- 06:54 slew telescope to M81 focus field 07:02 begin OB for M81 (airmass 1.82, seeing 1.0") 07:15 slew telescope to M82 focus field 07:23 begin OB for M82 (airmass 1.69, seeing 1.3") -- switched to OSU_clusterconf -- 08:12 sent telescope to NGC 2903 focus field telescope collimator failed to converge; stopped after 5 iterations 08:21 began OB for NGC 2903 (airmass 1.48, seeing 1.4") seeing is unstable during this sequence due to high zenith angle and poor sky conditions lost focus tracking due to poor transparency 09:04 point telescope to NGC 3344 focus field 09:11 begin OB for NGC 3344 (airmass 1.58, seeing 1.0") 09:19 return to focus field and re-focus 09:26 re-start OB (airmass 1.49, seeing 1.2") 09:59 sent telescope to NGC 3489 focus field 10:06 began OB for NGC 3489 (airmass 1.67, seeing 1.4") 10:48 sent telescope to NGC 4258 focus field 10:58 began OB for NGC 4258 (airmass 1.39, seeing 1.4") 11:35 sent telescope to M101 focus field 11:43 began OB for M101 (airmass 1.64, seeing 1.5") ============= OSU_weaklensing ===-========= 03:20 point telescope to RCS2 J2327.4 03:21 Housekeeping error 03:49 begin focus sequence 03:57 begin ir(3 of 4) OB (airmass 1.42, seeing 0.9") No bright star on AO technical chip, degenerating focus ============= OSU_qso ===-========= 06:03 slew telescope to QSO 0244-08 06:11 begin OB for gz1 field (airmass 1.39, seeing 0.7") ============= OSU_clusterconf ===-========= 07:36 slew telescope to RX J0834+45 07:44 begin OB for RXJ0834+45 (airmass 1.27, seeing 0.8") 12:12 Stopped work due to lack of viable targets under poor seeing conditions Seeing about 1.6" 13:20 closing dome end-of-night summary scripts