Night report 2020-10-25

Observers: Mariusz Gromadzki, Nada Ihanec (Warsaw)

Support: Thomas Wevers (ESO)

TAT: C. Gutierrez (Turku), S. Taubenberger (MPA Garching), T.-W. Chen (Stockholm), S. Schulze (Weizmann)

EFOSC2 Calibrations:

Spectroscopic flats & arcs dome Gr#11, Gr#16 with filters Free, GG495, OG530 and slit: 1.0 and 1.5

Biases,

Sky flats

Weather:

Start: Humidity 33, wind speed 7.5 m/s

Middle: Humidity 17 , wind speed 9 m/s

End: Humidity 6, wind speed 5 m/s seeing 0.7

Comments: High wind speed in the beginning of the night, up to 12 m/s