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2021-03-12

Observers:  Erkki Kankare, Takashi Nagao, Niilo Koivisto
Support: Santiago González, João Silvestre
TAT: Giuliano Pignata, Stefan Taubenberger, Jacob Teffs

EFOSC2 Calibrations: bias frames, spectroscopic arcs, BVRi sky flats

Weather:
Start: humidity 40%, wind 2 m/s, seeing 0.9
Middle: humidity 35%, wind 5 m/s, seeing 0.7
End: humidity 40%, wind 5 m/s, seeing 1.0




 UT Target
 Type Setup  SlitExposure
Airmass
Seeing
Notes
00:18
ATLAS20bbum
Follow up
gr13
1.02x2700s
1.8
0.9

 01:56  L745a  Standard
gr11, gr13, gr16  1.0, 1.5 100s 1.1
0.8

02:16
SN2021dovFollow up
gr11, gr16
1.0
900s, 900s
1.1
0.8
 
03:00
SN2021ckj
Follow up
(photometry)
 BVRi
 200s, 90s, 60s, 60s
1.0
0.7 
03:15
 AT2021eppClassification
gr13
1.0
 900s 1.2 0.7 Type Ib/c? Significant host line contamination.
03:39
AT2021fco
Classificationgr131.0
 900s 1.6 1.0 Type Ia
04:00 SN2021bnwFollow up
gr11, gr16
1.0
2700s, 2700s
 1.3
 0.7 
05:53LT3864
Standard
gr11, gr16, gr13
1.0, 1.5
80s
 1.10.7
 
06:11ATLAS17gqa
 Follow up
(photometry)
 i  9x200s 1.10.7 
06:53
 AT2021epvClassification
gr13
 1.0 600s 1.61.1
 Type Ia
07:10SN2021csp
Follow up
 gr13  1.02x2700s
 1.21.1 
08:51
AT2021ewa
 Classificationgr13 1.0
 1500s 1.20.8 ?
09:22EG274Standard
gr11, gr16, gr13
1.0, 1.5
60s
 1.01.0
 
09:41 ZTF21aaoqcnh Classification gr13 1.0600s
 1.51.2
 Type Ia (observed in twilight)
09:57 AT2021els Classification gr13 1.0600s 1.81.3 Sky already too bright, spectrum likely not useful.
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