Night report 2019-12-19

Observers: Tomas Muller !!!

Support Team:  Phil Wiseman, Miika Pursiainen

TAT: Janet Chen, Morgan Fraser, Giuliano Pignata


EFOSC calibrations (biases, flats and arcs) done at the end of the night

Sky flats gri (evening twilight)


Start: Humidity 50%, wind speed 2.3 m/s, seeing: 1.4".

Middle: Humidity 54%, wind speed 3.7 m/s, seeing: 1.6".

End :  Humidity 16%, wind speed 1.7 m/s, seeing: 1.2".


Used the 1.5"slit for all the observations as the seeing was very bad, except the first one

No Image analysis was done due to the bad conditions

AT2019tpl was not seen in the acquisition image with 1 min exposure (maybe due to bad seeing?) so it was not observed

EFOSC calibrations were done at the end of the night