Night report 2019-12-04
Observers: Thomas Wevers, Nada Ihanec
Support Team: Mariusz Gromadzki, Emma Callis
TAT: Lluís Galbany, Michel Dennefeld, Shubham Srivastav, Phil Wiseman
EFOSC daytime calibrations (biases, flats and arcs)
Sky flats UBVi (evening)
Sky flats grz (morning)
Start: Humidity 35%, wind speed 3.1m/s, seeing: 1.1".
Middle: Humidity 30%, wind speed 3.4m/s , seeing: 1"
End : Humidity 22%, wind speed 5m/s, seeing: 1.3"
In first half of the night, the seeing was stable around 1". In the second half it got worse.
No more ice-cream machine but we do have Christmas tree.