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