Night Report 2022-01-30

Observers: David O’Neill, Evan Ridley, Xinyue Sheng

Support: Matt Nicholl, Tom Killestein

TAT: Lluís Galbany, Andrea Reguitti, Timo Kravtsov

EFOSC2 Calibration

Evening: bias, Pessto calib, spectroscopic arcs

Morning: 

Start: 02:50 UT, humidity 70%, wind speed 3 m/s, seeing 0.91 (DIMM)”

Middle: 05:00 UT, humidity 64%, wind speed 2.5 m/s, seeing 1.15 (DIMM)”

End: 09:06 UT, humidity 62 %, wind speed 3.1 m/s, seeing 1.0  (DIMM)”

Comments:

Due to clouds and high humidity, the telescope was closed until 02:41UT.

Beginning of night at 02:41 UT

End of night at 09:00 UT