Night report 2020-10-23

Observers: Mariusz Gromadzki, Nada Ihanec (Warsaw)

Support: Emma Callis, Morgan Fraser (UCD)

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

Skyflats UIZ (Evening)

Weather:

Start: Humidity 23, wind speed 2.4 m/s, seeing 1.65"

Middle: Humidity 3 , wind speed 2.6 m/s

End: Humidity 16, wind speed 6.5 m/s

Comments: Photometric night, bad seeing in beginning of the night ,major changes in seeing over the night,

problems with internet connection over the first half of the night, which produced delays in communication