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Night Report 2019-07-23

Observers:
Phil Wiseman, Charlotte Angus 

Support Team
Lizi Swann, Mat Smith

TAT
Claudia Gutierrez, Michel Dennefeld, Maria Teresa Botticella

Calibrations:
EFOSC2: Morning: Arcs, dome flats, bias
Additional flats & arcs for M. Dennefeld.

Weather:
Sunset: 22:13 UT, Twilight (end): 23.28 UT
Morning Twilight (start): 10.09 UT

Beginning of night:  Cloud, humidity 90%, wind speeds ~10m/s.  Temp ~-3 deg
Middle of night:  Clear, humidity 63% and dropping, wind speeds between 5-10 m/s. Temp ~0 deg
End of night:  Beautifully clear, wind speeds 8m/s, temp~ 2 deg

Comments:

Dome closed all night due to ice.
Comments