Night Report 2021-05-19

Observers: Miika Pursiainen, Panos Charalampopoulos

Support: Giorgos Leloudas, Emmy Paraskeva

TAT: Claudia Gutierrez, Janet Chen, Georgios Dimitriadis

EFOSC Calibrations:

Bias, dome_flats, arcs taken in the afternoon.

Start: Thick clouds, Wind ~12m/s

Middle: Thick clouds, Wind ~12m/s

End: Thick clouds, Wind ~12m/s

Comments:

Sunset twilight: 23:19 UT

Telescope closed due to thick clouds

Sunrise twilight: 9:59 UT