Night Report 2019-02-24

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: UBVRi

morning sky flats: grz (to be repeated, see 2019-02--26)

arcs (morning)

Weather: 

Start: Humidity 51%, wind speed 0.4, low thin clouds, estimated seeing 1.2

Middle (5 ut): Humidity 41%, wind speed 1.0,  DIMM seeing 1.0

End: Humidity 45%, wind speed 3.3,  DIMM seeing 1

Comments: 

DIMM seeing is not working for the first hour of the night.

Seeing was very variable during the first half of the night.

Instrument - EFOSC2

UT            Target               Type                Setup                airmass      Seeing(DIMM)        texp                       notes 

00:28       AT2018lna    follow-up    Gr13 1.0               1.7                 1.2*           3x2700s               *seeing from image, seeing increased during last observation ~1.4

02:56       L745a           std          Gr11,13,16 1-1.5      1                    1.2*                                       *seeing from image

03:23        we had to repeat the image analysis 

03:41       AT2019azh   class                Gr13               1.7                   1                300s                   SN not visibile in acquisition imagine but since it's NT we put the slit on top of the galaxy

03:53       SN2019ape  follow-up        Gr11+Gr16       1.6                  0.6            2x2700s               seeing increased during last observation ~1

05:47      AT2018hyz  follow-up       Gr11+Gr16     1.2                 0.7           2x1800s             SN not visibile in acquisition imagine but since it's NT we put the slit on top of the galaxy

07:13      AT2018dyb  follow-up       Gr11+Gr16     1.4                 0.7           2x2700s

09:05       EG274           std          Gr11,13,16 1-1.5    1.08               1.1

09:30      AT2019axz  class               Gr131           1.04                0.8.          600s                   type II?