night-report-2020-01-23

Observers: Erez Zimmerman, Ido Irani, Steve Schulze

Support Team: Rachel Bruch, Ofer Yaron

TAT: Lluís Galbany, Claudia Gutiérrez, Annalisa De Cia

Calibrations:

Dome flats, no sky flats in evening twilight due to clouds. SOFI daytime calibrations were performed following previous night observations

Morning sky flats in UBVri (planned to be split, but was not possible due to telescope closure at the beginning of the night)

Weather:

Beginning: Humidity above 80%, telescope closed

Middle: Humidity 68%, wind speed 1.5 m/s, seeing: 0.6".

End : Humidity 74%, wind speed 2 m/s, seeing: 0.6".

Comments:

Night was not photometric, with clouds in the in the beginning to the middle of the night. Conditions improved significantly at the middle of the night.

Observations: