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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.

 



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