Observers: Tania Moraga, Cristina Romero-Cañizales, Lluís Galbany TAT: Joe Anderson, Morgan Fraser Data reducers: Thomas De Jaeger, Francisco Förster Sept 4: SOFI & EFOSC2 night, photometry and spectroscopy Clear sky at the beginning of the night with persistent cirrus towards the second half Humidity < 15% / wind speed 5-15 m/s (high speeds only at the beginning of the night) Moon: 52% ******* LOG ******* 19:23 UT SOFI_FlatJHK calibration 20:50 UT EFOSC alignment 21:44 UT EFOSC bias 21:50 UT EFOSC arc 23:02 UT EFOSC skyflat BV (only a few frames are useful) - Move to SOFI Conditions at the beginning of the night: Clear sky / DIMM seeing: 0.8" / Humidity < 15% / Wind speed ~ 15 m/s --> we cannot observe southern than ~<-30deg in DEC (as planned with SOFI) - Moving back to EFOSC 00:02 UT SNhunt281 BVRi / seeing=0.86 & wind=12.3 m/s - Back to SOFI 01:11 UT Feige110 --flux standard for spectroscopy -- focus needed, so, rerun! 01:17 UT Feige110 --flux standard for spectroscopy 01:26 UT ASASSN-15oz BG & RG / seeing=0.87 & wind=11.7 m/s -- re-arrange slit 02:02 UT ASASSN-15oz BG & RG / seeing=0.93 & wind=11.5 m/s 04:39 UT Telluric standard Hip094926 for ASASSN-15oz 04:46 UT ASASSN-15oz JHK / seeing=1.22 & wind=9.3 m/s 05:06 UT LSQ15adm JHK / seeing=0.92 & wind=8.3 m/s - We start to see cirrus clouds in the all sky camera 06:20 UT SN2013fc JHK / seeing=0.82 & wind=8.5 m/s - Move to EFOSC 07:18 UT OGLE15eo Gr#13 / seeing=1.06 & wind=7 m/s 07:58 UT VMA2 (spectroscopic standard) / seeing=1.12 & wind=6.1 m/s 08:15 UT ASASSN-14ha BVR gri / seeing=1.01 & wind=7.1 m/s 10:05 UT ASASSN-15ov Gr#13 / seeing=0.87 & wind=3.7 m/s 10:15 UT EFOSC Sky flats zU -rest of filters were aborted- / seeing=1.07 & wind=2.7 m/s |
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