Night Report 2018-04-19

Observers: Daniele Malesani and Kasper Elm Heintz

Support team: Paolo D'Avanzo and Giorgos Leloudas

TAT: Cristina Barbarino and Janet Ting-Wan Chen

Overall a good night, seeing variable between 0.8 and ~1.5"; clear night, maybe a few thin cirrus.

Afternoon: PESSTO calibs and bias

22:35 UT: Start of grz flats

22:55 UT: Issues with the control systems solved by the operator

23:39 UT: Evening twilight

09:44 UT: Morning twilight

10:15 UT: Start of UBVRi flats

UT Object Type Setup Slit Exp. time (s) Airmass DIMM Image quality (") Comments

23:21 ASASSN-18fv Follow-up gr11,gr16,gr18,gr20 1 2x0.7,2x0.5,2x1.0,2x1.0 1.28 1.05 1.29 At least one spectrum per grism is not saturated.

23:48 AT2018aqg Classification gr13 1 1500 1.59 0.85 1.32

00:20 AT2018auq Classification gr13 1 900 1.66 0.85 1.20

00:46 SN2018rw Follow-up BVgri 1 2x300,2x200,2x200,2x200,2x200 1.50 0.75 1.49

01:32 SN2018ec Follow-up riz 1 3x200,1x120,1x90 1.04 1.09 0.98 Includes image analysis.

02:01 AT2018aps Follow-up gr13 1 2700 1.05 0.85 0.77

02:54 AT2018awi Classification gr13 1 900 1.20 0.93 1.00

03:16 AT2018aqz Classification gr13 1 600 1.03 0.98 1.06

03:33 SN2018apo Follow-up gr11, gr16 1 900,900 1.03 1.05 0.84

04:19 AT2018atp Classification gr13 1 --- --- --- --- SN candidate not detected in 60s acquisition image.

04:27 AT2018apl Follow-up gr11 1 600 1.03 1.02 1.15

04:48 AT2018avv Classification gr13 1 600 1.09 1.00 1.20

05:06 EG274 Std. star

05:31 SN2018ahq Follow-up gr13 1 1800 1.33 1.00 1.44

06:08 AT2018awe Classification gr13 1 600 1.05 0.86 0.84

06:28 AT2018asz Classification gr13 1 900 1.42 0.94 1.20

06:51 AT2018ash Classification gr13 1 600 1.97 0.90 1.44

07:07 FRB XRT 4 Follow-up gr13 1 3600 1.90 1.80 1.56

08:15 SN2017ivv Follow-up gr13 1 2x1800 1.51 1.40 1.68

09:27 AT2018auz Classification gr13 1 900 2.21 1.91 2.40

09:48 LTT379 Std. star