night-report-2019-12-26

Observers: Tomás Müller, Juanita Antilen

Support Team: Phil Wiseman, Mat Smith, Matt Grayling, Chris Frohmaier

TAT: Janet Chen, Regis Cartier, Roberta Carini

Calibrations:

EFOSC calibrations (biases, flats and arcs) done at the end of the night

Sky flats grz (evening twilight)

Weather:

Start: Humidity 37.6%, wind speed 2.4 m/s, seeing: 1.3".

Middle: Humidity 36%, wind speed 2.2 m/s, seeing: 0.9".

End : Humidity 41%, wind speed 2.8 m/s, seeing: 0.8".

Comments:

At approximately 6 UTC, presence of some clouds.

In general good weather conditions.

Observations: