Night report 2018-12-30

Observers:   Jonathan  Pineda Garcia & Alessandro Razza

Support: Mariusz Gromadzki

TAT:  Cosimo Inserra & Lluís Galbany

Calibrations:

SOFI:

biases

arcs (gr11, gr13 and gr16, arcs evening & morning)

SOFI:

flats JHK

specarc & specflat

Weather:

Start: Humidity 41.5, wind speed 2.4 m/s

Middle: Humidity 40.7, wind speed 3.9 m/s

End:  Humidity 34.5, wind speed 1.6 m/s

Comments:  Photometric night.

Instrument - SOFI

UT            Target               Type                Setup         airmass             Seeing (1)              notes

-----------------------------------------------------------------------------------------

00:54   SN2018ivc    Follow-up    JHK      1.15         0.6           Started at twilight.

01:15   SN2018ivc    Follow-up    JHK      1.15         0.6

01:31   SN2018hle    Follow-up    JH       1.04         0.7

01:49   SN2018ibb    Follow-up    JHK      1.04         ----         Aborted. Drift in the tracking with the first four J-band images.

problems with the actuators during 50 minutes.

02:54   SN2018ibb    Follow-up    JHK      1.01         0.5         (2)

03:46   SN2018jmt    Follow-up    JHK      1.19         0.7

                       

(1) Seeing in J-band (Dimm was always giving around 0.1 more).

(2) Template JHK_J_16_0__17_5  modified  with sligthly longer total exposures to get better S/N (the SN had J=17.5, H=17.5).

Instrument - EFOCS

UT            Target               Type                Setup         airmass             Seeing                  notes

-----------------------------------------------------------------------------------------

05:18   SN2018koy    class         gr13      1.12         0.8

05:30   ZTF18acurjjx class         gr13      ---          0.8           Aborted. Suspected position of a star.

05:54   AT2018kzr    class         gr13      1.18         0.8   

06:22   AT2018kzt    class         gr13      ---          1.0           Aborted. No source at the position.

06:35   AT2018jpf    class         gr13      1.56         1.0

06:58   ZFT18adbhrjs class         gr13      1.41         0.9

07:17   ZFT18adazgcu class         gr13      1.40         0.9           Aborted. No source at the position.

07:26   AT2018kxo    class         gr13      1.32         0.8

07:48   ZTF18adazeua class         gr13      1.51         1.0  

08:11   ZTF18adazblo class         gr13      1.61         1.3     

Comments:  Photometric night.