Night report 2022-02-21

Observers:Tom Killestein, David O'Neill, Ken Smith, Michael Fulton

Support: Joe Lyman, Xinyue Sheng, Matt Nicholl

TAT: Shubham Srivastav, Thallis de Lourenço Pessi, Tom Reynolds

EFOSC2 Calibration

Evening: SOFI JHK flats, spec flats+arcs

Morning: 

Start: 00:40 UT, humidity 58%, wind speed 10.1 m/s, seeing 1.77 (DIMM)”

Middle: 05:00 UT, humidity 37%, wind speed 15 m/s, seeing 1.8 (DIMM)”

End: 08:00 UT, humidity 33%, wind speed 14 m/s, seeing 1.4 (DIMM)

Beginning of night at 00:45 UT

End of night at 08:00 UT