Night report 2020-10-22

Observers: Nada Ihanec, Mariusz Gromadzki (Warsaw)

Support: Thomas Wevers (ESO, Chile)

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 gri (Evening)

Skyflats UBVR (Morning)

Weather:

Start: Humidity 27, wind speed 1.5 m/s

Middle: Humidity 25 , wind speed 2 m/s

End: Humidity 18, wind speed 4 m/s

Comments: Photometric night, 40 minutes lost due to problems with guider