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Night Report 2019-02-26

Observers: Cristina Barbarino, Ana Sagués Carracedo
Support Team: LeonardoTartaglia, Jesper Sollerman
TAT: Joe Anderson, Kate Maguire


Calibrations: 
EFOSC2:
biases
dome flat and arcs (evening)
evening sky flats: grz (repeated as last time some bands were not good)
arcs (morning)


Weather: 
Start: Humidity 61%, wind speed 2.3, thick low clouds, seeing 1.7
Middle (5 ut): Humidity 47%, wind speed 3.6, seeing 0.5
End: Humidity 43%, wind speed 0.9, seeing 0.6


Comments: 
Seeing very unstable in the first part of the night, jumping from 1.0 to 2.6

Instrument - EFOSC2

UT            Target               Type                Setup                airmass      Seeing(DIMM)        texp                       notes 
00:40       SN2019abu       re-class            Gr13                      1.6                  1.7                   1800s                      SNID best fit as type IIb?
01:13       SN2018htt         follow-up          Gr13                      1.7                  2.2                                                  *SN not visible in acquisition image, due to poor seeing. Aborted.
01:22       L745a                  std            Gr11,13,16,sl1-1.5      1.0                  1.8               
01:48      SN2018htt         follow-up          Gr13                       2.0                  2.0                                                   *We gave another try but it didn't work. Aborted.
01:55      SN2018ibb        follow-up       Gr11+Gr16                1.3                  1.7                  2x2200s                    *seeing improved around 1 soon after acquisition 
03:30       We had to repeat image analysis as the seeing improved
03:40      AT2019ahk        follow-up          Gr13                       1.3                 0.5                  1200s
04:10      SN2018hfm       follow-up          Gr13                       1.2                 0.5                   2x1800s 
05:25      SN2018lfe         follow-up          Gr13                       1.2                 0.5                   2x2700s                     *very faint trace
07:15      We had to repeat image analysis to improve focus
07:40     SN2019asz        follow-up          Gr13                        1.1                0.6                   1800s
08:23     SN2019so          follow-up          Gr11                        1.0                0.9                    2700s                        *there was no time to observe also in Gr 16
09:20     EG274                   std          Gr11,13,16,sl1-1.5         1.0               0.7           
09:35     end of the night      




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