Night report 2021-08-11
Observers: Ben Gompertz, Matt Nicholl, Evan Ridley
Support: Sara Muñoz, María Delgado, Raúl Gonzalez, Lluís Galbany
TAT: Shubham Srivastav, Stefan Taubenberger, Priscila Pessi
Afternoon: All EFOSC calibrations
Evening: Sky flats griz
Start: humidity ~ 25%, wind ~ 8m/s, seeing 0.8 "
Middle: humidity ~ 18%, wind ~ 10m/s, seeing ~ 1.2"
End: humidity ~ 22%, wind ~ 10m/s, seeing ~ 1.4"
Comments (times in UT):
DIMM reporting 1.5" seeing at start of night, but image quality appears much better
01.30 - some clouds appearing
02.00 - closed due to clouds
03.50 - clouds appear to be clearing a bit, but still closed
04.10 - clouds increasing again :(
05.40 - dome reopened, observations resumed.