Night report 2021-09-14

Observers: Georgios Dimitriadis, Maxime Deckers

Support: Jacco Terwel, Luke Harvey

TAT: Tom Killestein, David O'Neill, Joe Lyman

EFOSC Calibrations:

Afternoon: All EFOSC calibrations (dome flats, arcs, biases)

Evening:

Morning: Sky flats (BVRi)

Weather:

Start: clear, humidity 32%, wind 5 m/s, seeing 1.1"

Middle: clear, humidity 37%, wind 8 m/s, seeing 1.0"

End: clear, humidity 29%, wind 7 m/s, seeing 1.2"

Comments (times in UT):

23:17 During sky flats we encountered a software problem and had to abort. Will repeat the sky flats in the morning

02:25 Image analysis performed