Night report 2023-04-16

Observers: Timo Kravtsov, Thallis Pessi

Support: Lluís Galbany, Claudia Gutiérrez

TAT: Lluís Galbany, Nada Ihanec, Thomas Moore

Start: 23:25 UT, humidity 40 %, wind speed 5 m/s, seeing 1.2"

Middle:  06:32 UT, humidity 38 %, wind speed 7 m/s, seeing 1.1"

End:  09:48 UT, humidity 32 %, wind speed 4.9 m/s, seeing 1"

Afternoon calibrations: Bias, spectral arcs, JHK flats

Morning calibrations: spectral arcs

A calm night with good seeing through all night. We started with EFOSC and switched to SOFI for some critical and important follow-ups. After those we switched back to EFOSC and spent the rest of the night with classifications.