Observers: Gerke, Shappee, Fausnaugh Telescope Operator: David Gonzalez-Huerta Support Astronomer: Michelle Edwards Instrument: MODS Observing Log for 2013 June 7/8 Summary: Observed standard gd153, OSU_PC-qso1145m3, OSU_CLASH-rxj1532, UVa_BCD-J1355, UVa_BCD-J1509, UVa_BCD-J1608 and standard BD284211 Details: calibrations: bias3k, bias8k, m3.flats.cal m4.flats.cal opened vent doors started m3.lamps.cal, but stopped it when telescope was going to move and open further and got an alarm. conditions at sunset: clear overhead and to north, some clouds to the south. little wind and stable temperature. 03:30 acqMODS gd153 03:39 starting standar star DualGrating OB 03:53 starting standar star DualPrism OB, seeing ~0.7 04:02 acqMODS OSU_PC-qso1145m3 04:15 execMODS, seeing ~0.7 04:39 seeing ~0.9 04:49 acqMODS OSU_CLASH-rxj1532, unwrapping scope 04:51 acqMODS OSU_CLASH-rxj1532 again 05:05 execMODS, seeing ~0.8 05:53 ~10 min after object transited, problem with telescope guiding, guide camera failure, had to stop 2nd exposure about halfway through (~15 min). 06:08 acqMODS with recovery offset 06:13 execMODS to complete the remaining exposures. 06:28 seeing ~0.8 07:04 seeing ~0.7 07:48 acqMODS UVa_BCD-J1355 08:00 execMODS, seeing ~0.9 08:12 seeing ~1.1 08:38 seeing ~1.5 08:49 acqMODS UVa_BCD-J1509 09:03 execMODS, seeing ~1.0 09:24 seeing ~1.3" 09:50 acqMODS UVa_BCD-J1608 09:59 execMODS, seeing ~1.0 03:48 acqMODS BD284211 03:55 execMODS, seeing ~0.8 04:11 Closing Dome Calibrations: redoing lamp flats taken previously when dome was open because of significant light leak. execMODS -u OSU_CHAOS/NGC5055_f2.lamps.cal execMODS -u OSU_EAGES/EAGES_365043.lamps.cal execMODS -u OSU_EAGES/EAGES_603760.lamps.cal execMODS -u OSU_EAGES/EAGES_J1425.lamps.cal execMODS -u OSU_CLASH/rxj1532.cal execMODS -u OSU_PC/qso1145m3.lamps.cal