Night Report 2021-05-04

Observers: Emmy Paraskeva, Miika Pursiainen

Support: Daniele Malesani, Giorgos Leloudas

TAT: Lluís Galbany, Roberta Carini, Shubham Srivastav

EFOSC Calibrations: 

Bias, dome_flats, arcs.


Start: Humidity 80-95 %, wind 5-10m/s, Passing clouds

Middle: Humidity ~60-80%, Wind ~10m/s, thin clouds, seeing 1.5-2.0

End: Humidity ~80%, Wind ~10m/s, thin clouds


--- Weather very poor to start with, but at 01:30 UT the humidity started dropping fast

--- The humidity dropped down to ~55% but started gradually increasing. By 04:45UT it reached 75% and we made the decision to prioritise short classifications over longer follow-up targets due to the risk of immediate telescope closure.