Night report 2019-01-25

Observers: Silvia Piranomonte, Roberta Carini

Support Team: Paolo D'Avanzo, Andrea Melandri

TAT: Maria Teresa Botticella, Enzo Brocato, Lluís Galbany

Daytime Calibrations: flat field JHKs bands, flat field for spectroscopic grism BG and RG, arc

Weather: At the sunset the sky is clear, but the DIMM seeing is about 1.5", we can not start with the DDT

at 01:00 the seeing is about 1", we start the first target of the DDT.

At 2:00 the seeing is about 1.3"-1.5", we can not do the second target of the DDT.

At 07:33 switch to EFOSC2

UT OBJECT SETUP SLIT EXP TIME DIMM AIRMASS TARGET COMMENTS

00:30 GRB190114C K 15x60s 1.5" 1.01 follow up

01:05 DDT

02:07 SN2019cj JHK 4x270s,4x360s,4x360s 1.6"-2.0" 1.10 follow up from 03:40 seeing about 1.3"

03:20 SN2018jmt JHK 4x270s,4x360s,4x360s 1.4" 1.15 follow-up 4:05 seeing 1.1"

04:47 SN2019gf JHK 4x270s,4x360,4x360s 1.3"-1.4" 1.08 follow-up

06:00 SN2019jf JHK 4x270s,4x360,4x360s 1.3"-1.4" 1.13 follow-up

07:15 SN2019so JH 4x400s, 4x90s 2.0" 1.00 follow-up

07:40 L7451 g13 slit 1.0",1.5"

08:15 SN2018bsz g13 slit 1.5" 1x2700s 1.4" 1.65 follow-up seeing very variable between 1.4"and 2.4"