Observing: Joel Johansson, Mark Magee, Ira Bar Support Team: Weizmann TAT: Maria Teresa Botticella, Michel Dennefeld Weather conditions Start of night: Clouds, humidity ~73%, windspeed ~11.3m/s, seeing ~1.2" Middle of night: Clear, humidity ~49%, windspeed ~11.2m/s, seeing ~1.2"End of night: Clear, humidity ~30%, windspeed ~11.4, seeing ~1" ------------------------------------------------ Calibrations Evening: PESSTO_bias, PESSTO_calib, PESSTO_SkyFF_eve_grz Morning: - ------------------------------------------------ 22:41 UT: Dome opened, sky flats grz 23:22 UT: Follow up: OGLE15xl, gr13 2700s, slit 1.5" 00:20 UT: Image analysis 00:29 UT: Spectroscopic standard - L745a 00:56 UT: Follow up: SN2016aiy, gr11 1800s, slit 1.5" 01:32 UT: Follow up: SN2016aiy, gr16 1800s, slit 1.5" 02:15 UT: Follow up: PS15br, griz 6x200s each 03:56 UT: Follow up: SN2016bln, g11+g16 1500s each, slit 1.5" 05:04 UT: Spectroscopic standard - LTT3864 05:25 UT: Classification: SMT16atf, gr13 300s, slit 1.5", seeing ~1.6" 05:41 UT: Switching to SOFI*, image analysis 06:02 UT: Follow up: SN2016aiy, JHK 1080s + 1440s + 1440s, seeing ~0.9" 07:28 UT: Follow up: SN2016adj, JHK 10:42 mins, seeing ~1.2" 07:36 UT: Follow up: SN2016adj, bg+rg 18:41 mins 08:38 UT: Telluric standard: HIP64550, bg+rg 04:43 mins 08:45 UT: Spectroscopic standard: LTT7987 09:01 UT: Follow up: LSQ15adm, JH 01:12:37 hours, seeing ~1.2" 10:16 UT: Dome closed * There was a problem with the SOFI exposure countdown, which didn't stop and went on to negative values (as already happened multiple times in past runs). Due to that the time dedicated to observations took longer than expected. The effect seems to be strongest for spectroscopy (up to twice as much time), but also appears for imaging (up to 30% increase). |
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