night-report-2020-01-01

Observers: Tomás Müller, Nicolás Meza

Support Team: Phil Wiseman, Matt Grayling

TAT: Lluís Galbany, Takashi Nagao, Maria Teresa Botticella

Calibrations:

EFOSC calibrations (biases, flats and arcs) done in the afternoon

gr18+gr20 calibrations in the afternoon

grz sky flat during evening twilight

VRi sky flat during morning twilight

Weather:

Start: Humidity 29%, wind speed 2.4 m/s, seeing: 1.0".

Middle: Humidity 35%, wind speed 1.0 m/s, seeing: 0.9".

End : Humidity 37%, wind speed 2.0 m/s, seeing: 0.9".

Comments:

Observations: