Night report 2021-08-06

Observers: Matt Nicholl, Evan Ridley, Ben Gompertz

Support: Sara Muñoz, María Delgado, Raúl Gonzalez, Lluís Galbany

TAT: Jacob Teffs, Michael Fulton, Janet Chen

Calibrations:

Afternoon: All EFOSC and SOFI calibrations

Weather:

Start: humidity ~ 17%, wind ~ 10m/s, seeing ~ 1.6"

Middle: humidity ~ 10%, wind ~ 14m/s, seeing ~ 1.6"

End: humidity ~ 20%, wind ~ 11.5m/s, seeing ~ 2.4"

Comments (times in UT):

High wind during day, dropping right around sunset, currently safe to open

Shutter problem encountered during first standard, delayed ~ 30 mins in beginning of night

Starting science targets without image analysis due to high seeing

03:00 wind picking up

06:00 TELESCOPE CLOSED DUE TO WIND (during observations of SN2021tpf)

07:25 DOME OPENED

07:30 OBSERVATIONS RESUMED (SN2021uds)