Night Report 2019-02-26

Observers: Cristina Barbarino, Ana Sagués Carracedo

Support Team: LeonardoTartaglia, Jesper Sollerman

TAT: Joe Anderson, Kate Maguire

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