Observers: Erkki Kankare, David O'Neill TAT: Janet Chen, Lluís Galbany Support Team: Mark Magee Subrun night: 1.3 Instruments: EFOSC2 *** WEATHER CONDITIONS Night Humidity Wind speed Sky beg. 64% 11 m/s clear mid. 65% 12 m/s Thin clouds end. 67% 12 m/s clear*** CALIBRATIONS EFOSC2 bias EFOSC2 spectroscopic arcs EFOSC2 sky flats (B & R) *** LOG Target Type UT Filter/Grism Slit Seeing Airmass CommentsEG131 standard 23:40 g11,g13,g16 1.0",1.5" 1.7" 1.1 Gaia17cke classification 00:10 g13 1.5" 2.5" 1.4 Stellar, Strong H-alpha and Ca II. ATLAS17lzl classification 00:50 g13 1.5" 1.8" 1.2 Noisy blue continuum. AT2017bzc follow up 01:00 g11,g16 1.5" 2.0" 1.0 AT2017hgz classification 03:45 g13 1.5" 2.8" 1.2 Type Ia, at max. ATLAS17lwk classification 03:55 g13 1.5" 2.1" 1.1 Type II. AT2017lyt classification 04:20 g13 1.5" 2.4" 1.1 Type IIn. Feige110 standard 04:35 g11,g16,g13 1.0",1.5" 2.0" 1.3 Gaia17cno classification 05:00 g13 1.5" 2.1" 1.1 Type Ia, +8 to +10d. AT2017hbc classification 05:20 g13 1.5" 2.1" 1.3 Blue continuum, host lines. AT2017hct classification 05:40 g13 1.5" 1.6" 1.3 Spectrum lost due to clouds? AT2017hdn classification 06:05 g13 1.5" 1.9" 1.2 Type Ia, at max. AT2017hcx classification 06:20 g13 1.5" 1.6" 1.0 Type Ia, +4d to +7d. AT2017gso classification 06:40 g13 1.5" 1.7" 1.8 Blue continuum, host lines. GRB171010A follow up 06:55 g13 1.5" 1.5" 1.1 AT2017hbv classification 08:20 g13 1.5" 1.4" 1.1 Type Ia, +8d to +10d. Gaia17coc classification 08:45 g13 1.5" 1.5" 1.1 red source. L745a standard 09:10 g11,g16,g13 1.5" 1.6" 1.1 |