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Night Report 2019-03-06

Observers: Ana Sagués Carracedo, Cristina Barbarino, Valéry Brinnel
Support Team: LeonardoTartaglia, Jesper Sollerman
TAT: Michel Dennefeld, Morgan Fraser


Calibrations: 
EFOSC2:
biases
dome flat and arcs (evening) - Evening arcs aren't valid because they were taken with the misaligned slit. Repeated in the morning.
evening sky flats: UBVRi
morning sky flats: zr
dome flat and arcs (morning)


Weather: 
Start: Humidity 41%, wind speed 1.7, thin low clouds, good seeing (less than 1 arcsec from the acq images).
Middle (5 ut): Humidity 42%, wind speed 3.8,  seeing 0.71
End:  Humidity 39%, wind speed 1.1, seeing 0.7


Comments: 
DIMM seeing wasn't working at the beginning of the night until around 2UT. 

Instrument - EFOSC2

UT            Target               Type                            Setup                  airmass              Seeing(DIMM)                        texp                       notes
00:19      AT2019bna        class                            gr13                          1.2                  0.6  (from acq image)                                             Failed: SN not visible in the acquisition image.          
00:26      SN2018iuq        follow-up                      gr13                        1.35                0.6 (from acq image)               1800s                    Failed: Slit in an unusual position. No spectrum was taken. We didn't have time to repeat it, so you moved to the following transient.   
01:00      TO checked the position of the slit and aligned it.     
01:14      SN2018kzr        follow-up                      gri                             1.2                  1.2 (from acq image)        1800s each filter         At around 2UT, DIMM seeing started working giving 0.6 arcsec.
03:05      L745a                 std                    gr11+13+16,sl1+1.5         1.1                          0.69     
03:31      SN2018ldu        follow-up                      gr13                        1.56                         0.98                                   2x2700s
05:13      AT2019bkc        re-class                        gr13                        1.2                            0.71                                   600s
05:33      SN2018atq        follow-up                      gr13                        1.5                           0.71                                   2x2700s                The object is the very faint trace in pixel around 675.
07:15      SN2019asz       follow-up                      gr11                        1.1                            1.1                                     1800s
07:50      ZTF19aaksxgp     class                         gr13                        1.12                          1.1                                     900s                      type IIn
08:11      EG274                std                   gr11+13+16,sl1+1.5         1.1                            1.3       
08:32      SN2019bdz      follow-up                    gr13                        1.2                            0.7                                     1500s                    
09:08       AT2019bkf       class                             gr13                        1.1                           1.37                                    900s                      type Ia               
09:30       AT2019bff        class                             gr13                        1.5                           0.69                                    300s                      type Ia
 

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