Night Report 2018-02-18

Observers: Jesse T. Palmerio, Ken W. Smith

Support Team: David O'Neill, Owen McBrien, Peter Clark, Erkki Kankare

TAT: Cristina Barbarino, Morgan Fraser

TO: Mauricio Martinez (day) Eduardo Matamoros (night)

Calibrations: EFOSC2: PESSTO_calib, PESSTO_bias, SOFI: specflat, SpecArc. Morning TO will run FlatJHK

Weather: Unable to observe until 02:45 UT, then thin clouds with humidity around 35%, excellent seeing (0.44"-1.0").

UT Object setup exp airmass seeing note

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SOFI

02:46:00 SN2017gax JHK 360/360/800s 1.5 0.7"

03:56:00 SN2017jfa JH 1080/1440s 1.45 0.7"

04:47:00 SN2018hi JH 400/300s 1.04 0.6"

05:03:00 SN2018ub JH 400/300s 1.55 0.6"

05:20:00 Switch EFOSC

05:30:00 SN2018jbu BVri 600/270/180/180s 1.7 0.6"

06:14:00 SN2018jbu gr11 sl1 1800s 1.8 0.6"

06:50:00 SN2018jbu gr16 sl1 1800s 2.0 0.5"

08:28:00 Std_LTT3864

08:45:00 AT2018wj gr13 sl1 900s 1.3 0.8"