Night Report 2018-12-16

Observers: Noel Castro Segura & Miika Pursiainen

Support: Mathew Smith

TAT: Michel Dennefeld & Mariusz Gromadzki

Calibrations:

EFOSC:

biases

dome flats

arcs (evening and morning)

Skyflats UBVRi (morning)

Weather:

Start: Thin clouds, seeing 1-1.5", humidity ~40%

Middle: Seeing ~1", humidity ~40%

End: Seeing ~1", humidity ~25%

Instrument - EFOSC

UT Target Type Setup airmass Seeing notes

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Image Analysis

00:30 Feige110 STD all 1.3 1.0

00:50 BowShock class gr13 1.1 1.1 two short 1omin exposures

01:20 AT2018fyk Follow gr13 1.4 1.1

02:10 SN2018gjx Follow gr13 2.0 1.2

03:05 SN2018jfz Follow gr13 1.2 0.9

04:00 SN2018jmt Follow gr11 1.2 0.9

04:30 SN2018hjx Follow gr13 1.3 1.0

05:25 L745a STD all 1.1 1.0

05:50 AT2018jwi Class gr13 1.1 0.9 Ia week before peak

06:05 SN2017gci Follow iz phot 1.03 0.9

06:50 AT2018jsw Class gr13 1.02 1.0 Blue continuum + Balmer absorption lines. Likely CV

07:05 AT2018jsn Class gr13 2.1 1.2 II, best SNID matches consistent with ~month after explosion

07:20 SN2018atq Follow Ugri phot 2.9-2.0 1.5

08:25 L745a STD all 1.1 1.1