Night Report 2019-07-30

Observers:

Charlotte Angus, Philip Wiseman

Support Team:

Chris Frohmaier, Lizi Swann, Mat Smith

TAT:

Lluís Galbany, Priscila Pessi, Stefan Taubenberger, Ilya Mandel

Calibrations:

EFOSC2: Evening: Arcs, dome flats, bias

Morning: Arcs

Weather:

Sunset: 22:17 UT, Twilight (end): 23.32 UT

Morning Twilight (start): 10.06 UT, Sunrise: 11:21 UT

Start of night: Clear, low wind 5 m/s

Middle of night: wind speed increasing, 12 m/s

End of night: Conditions stable - low wind 5/ms, clear. Seeing hovering around 1"

Comments:

Night 3 of elevator-style soft jazz music. We're no longer sure if the track is actually changing, or if we've been listening to the same song on repeat for >10 hours...

...we think we're ready for a break.

Observations:

EFOSC2

SOFI (switch over 02:10 UT) + image analysis

EFOSC2 (switch over 05:29 UT) + image analysis