Observers:Joe Lyman, Evan Ridley, Xinyue Sheng

Support: Aysha Aamer, Tom Killestein, Ben Gompertz

TAT: Emmy Paraskeva, Niilo Koivisto, Katja Matilainen

EFOSC2 Calibration

Evening: bias, Pessto calib, spectroscope arcs

Morning:

Start: 00:28 UT, humidity 45%, wind speed 2.6 m/s, seeing 1.42 (DIMM)”

Middle: 03:00 UT, humidity 40%, wind speed 8.1 m/s, seeing 1.0 (DIMM)”

End: 09:00 UT, humidity 22%, wind speed 2.2 m/s, seeing 1.1 (DIMM)

Beginning of night at 00:28 UT

End of night at 09:00 UT