Night Report 2018-08-17

Observers: Z. Kostrzewa-Rutkowska, E. Callis

Support Team: M. Fraser

TAT: L. Galbany, J. Anderson

Calibrations:

EFOSC bias+calib afternoon, morning

Weather:

Evening: thin clouds all around, humidity 12%, dimm seeing 0.75''

Night: from ~05:50 clouds

Morning: humidity 8%, cloudy

UT Target Type Setup Exp airmass seeing note

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EFOSC problem with rotation of the building, no skyflats

23:00 AT2018cow Followup 1.61 aborted, not visible, sky too bright

23:08 EG274 STD 1.02

23:30 image analysis

23:52 AT2018cow Followup gr13/1" 2700 1.64 0.68

00:50 AT2018cow Followup gr13/1" 2700 1.83 0.59

01:41 SN2018evy Followup gr11/1" 1800 1.42 seeing at acq ~1"

02:17 SN2018evy Followup gr16/1" 1800 1.47 image quality fixed

03:11 AT2018dyb Followup gr11+gr16/1" 1200 1.60 0.68

04:11 AT2018fes Class gr11/1" 900 1.08 0.52 galaxy at z~0.006

04:33 SN2017ivv Followup gr13/1" 3000 1.15 0.41 seeing at acq ~0.9"

05:31 Feige110 STD 1.12 0.62

05:51 SN2018evk Followup gr13/1" 1500 1.25 0.54 image quality fixed; aborted due to clouds

06:08 AT2018fbl Class gr13/1" 900 1.10 0.65 agn at z~0.1

06:33 AT2018fdx Class gr13/1" 360 1.07 0.57 blue featureless

06:45 AT2018feq Class gr13/1" 600 1.08 0.58 seeing at acq ~0.8", SN Ia at z~0.025

07:01 AT2018exa Class gr13/1" 600 1.01 0.59

07:17 SN2018evk Followup gr13/1" 1500 1.02 0.64 aborted, target not visible

07:22 AT2018fds Class gr11/1" 1200 1.18 0.63 blue featureless, with some clouds

07:52 AT2018fdx Class gr11/1" 900 1.14 0.73 repeated, blue featureless

08:20 AT2018fcu Class gr13/1" 600 1.28 0.57 SN Ia at z~0.05

08:37 ATLAS18tec Class gr13/1" 900 1.04 0.54

08:58 Feige110 STD 1.43 0.60

09:20 AT2018faz Class gr13/1" 1200 1.44 0.49 seeing at acq ~1"

09:50 AT2018fcx Class gr13/1" 1200 1.07 0.76