Night report 2017-11-25

Observers: Z.Kostrzewa-Rutkowska, K.Lopez

TAT: J. Chen, M. Fraser, J. Sollerman

Support team: P. Jonker, G. Cannizzaro

Instruments: SOFI, EFOSC2

Weather conditions:

evening UT 23:45: thin clouds, humidity 35%

morning UT 8:30: clear, but clouds above the horizon, humidity 25%

Calibrations:

EFOSC2 bias, arcs daytime, arcs morning

LOG:

UT Target Type Filter/Grism ExpTime[s] Slit Seeing Airmass Comments

--------SOFI---------

0:02 Feige110 STD BGRG 1.38 1.10

0:15 AT2017gww Followup JHK 1.35 1.25

0:47 AT2017hcc Followup JHK 0.95 1.05 Issues with image quality - aborted

1:02 AT2017hcc Followup JHK 1.10 1.06 Restarted and aborted

1:05 AT2017hcc Followup JHK 0.91 1.06 Restarted

1:10 Hip80 Telluric BGRG 0.91 1.07

1:15 AT2017hcc Followup BGRG 0.94 1.08

2:23 AT2016cvk Followup JHK 0.88 1.44

3:44 AT2016jbu Followup JHK 0.94 1.66

5:00 SOFI --> EFOSC2

-------EFOSC2--------

5:20 L745a STD gr11/gr13/gr16 1.0/1.5 0.81 1.29

5:45 MASTERJ034412.. Followup gr13 1.0 0.98 1.09

6:25 AT2016jbu Followup BVri 1.02 1.35

6:40 AT2016jbu Followup gr16 1.0 1.02 1.32

7:28 AT2016jbu Followup gr11 1.0 0.87 1.31

8:10 L745a STD gr11/gr13/gr16 1.0/1.5 0.93 1.02