Observers: Matt Nicholl, Phil Short
Support Team: Charlotte Angus, Elizabeth Swann, Matt Smith
TAT: Lluís Galbany, Hanin Kuncarayakti, Claudia Gutiérrez
Calibrations: EFOSC2 Bias Dome flats + arcs Sky flats grz
Weather: Sunset: 22:18 Twilight (end): 23:31
At sunset, humidity 27%, wind 4.7m/s, no clouds, DIMM seeing 0.94 - photometric conditions Conditions remained consistently good throughout the night, apart from a temporary spike in seeing as we started observing AT2019cri
EFOSC2
| UT | Target | Type | Setup | Airmass | Seeing | Exp time | Notes | 23:14
| L745a
| Std
| gr#11+13+16
slit1.0+1.5
| 1.07
| 1.2
| 8x100s
|
| 23:43
| AT2019ecx
| Classification
| gr#13 slit1.0
| 1.50
| 1.3
| 1x600s
| Type Ia around z=0.03
| 23:58
| AT2019bao
| Follow-up
| gr#11 slit1.0
| 1.25
1.22
| 1.3
| 2x1800s
|
| 01:10
| ZTF19aajwogx
| Follow-up
| gr#13 slit1.0
| 1.06
| 1.3
| 2x2700s
| Offset from centre to remove bright star from field.
| 02:54
| AT2019cri
| Follow-up
| gr#13 slit1.5
| 1.47
1.40
| 1.8
1.4
| 2x1800s
| Slit changed to 1.5, grism to #13 due to worsening seeing. Improved at the start of the 2nd exposure but not very stable so we kept wider slit
| 04:10
| EG274
| Std
| gr#11+13+16
slit1.0+1.5 | 1.20
| 1.4
| 8x60s
|
| | 04:25 | SN2016aly | Follow-up | r | | 1.4 | 1x80s | Transient not visible in acquisition image no spectrum taken as instructed
| 04:40
| SN2019cxt
| Follow-up
| gr#13 slit1.0
| 1.09
1.16
| 1.4
| 2x1800s
|
| 05:50
| SN2019bwa
| Follow-up
| gr#13 slit1.0
| 1.07
1.13
| 1.4
| 2x1800s
|
| | 07:04 | AT2018dyb | Follow-up | gr#11 slit1.0
| 1.19 | 1.4 | 1x2700s | | | 07:56 | AT2019dwz | Classification | gr#13 slit1.0
| 1.1 | 1.4 | 1x900s | Type Ia around z=0.05
| | 08:19 | AT2019cqc
| Classification
| gr#13 slit1.0 | 2.01 | 1.4 | 1x900s | Looks like transient has faded
| | 08:40 | AT2018fyk | Follow-up | gr#11 slit1.0
| 1.64 | 1.3 | 1x3600s | | | 09:45 | EG131
| Std | gr#11+13+16
slit1.0+1.5 | 1.08 | 1.3 | 8x100s | |
| 