Night Report 2019-01-31

Observers: Silvia Piranomonte, Roberta Carini

Support Team: S. Benetti, L. Tomasella, A. Fiore

TAT: Janet Chen, Matt Nicholl, Steve Williams

Calibrations:

EFOSC2:

biases

flat, arcs gr11, gr13, gr16 (morning )

Weather:

Start: Humidity 75%, wind velocity 2.7 m/s. the sky is clear but not photometric

Middle: Humidity 74%, wind velocity 2.4 m/s. the sky is clear

Comments:

00:50 ut: we can not used SOFI due the humidity, we slew to EFOSC2

06:33 ut: we close due to clouds

07:08 ut: we open again, the sky is not perfectly clear

Instrument - EFOSC2

UT Target Type Setup airmass Seeing texp notes

1:10 L745a STD gr13,gr11,gr16 sl1.5" 1.23 0.8" 1:15ut seeing jump to 2.00"

01:30 L745a STD gr13,gr11,gr16 sl1.0" 1.30 2.0" 1:36ut seeing decreases to 1.00"

01:40 SN2018kpo follow-up gr13 , sl1 1.24 1.06" 1800s

02:15 SN2018ibb follow-up g11, g16 1.1 1.5" 2x1800s 03:05ut seeing 0.6"

03:35 ZTF2019aaefxwq class g13 1.2 0.6" 600s

04:00 SN2019rm follow up g13 1.47 0.6" 1500s

04:40 AT2019aba class g13 1.33 0.6" 900s

05:00 ZTF19aacyqhc class g13 1.38 0.8" 900s

05:20 ZTF19aaeqfro class g13 1.6 0.9" 180s not visible in the acquisition image

05:35 ZTF19aaflnii class g13 1.7 1.0" 1500 s

06:08 SN2018ldu follow-up g13 1.6 0.8" 2700s clouds are coming, 06:25ut seeing 1.13"

06:33ut too many clouds, we close

07:11 AT2019ahg class g13 1.35 1.13" 2x600s we take 2 image instead 1 due to the presence of thin clouds

07:45 AT2019aah class g13 1.85 1.13" under the clouds, we can not acquire

07:49 AT2019zi class g13 1.05 1.13" too much clouds, we can not acquire

08:03 AT2019abf class g13 1.4 1.00" 2x900s we take 2 image instead 1 due to the presence of thin cloud

08:52 LTT3864 STD g11,g16,g13 1.17 0.9"