Night Report 2019-02-24

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: 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?