Night Report 2018-02-13

Observers: Jesse T. Palmerio, Ken W. Smith,

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

TAT: Cristina Barbarino, Morgan Fraser

TO: Pablo Arias (day) Fransisco Labrana (night)

Calibrations: EFOSC2 PESSTO_calib, PESSTO_bias

Sky flats: No flats in evening due to clouds, plan to complete g band flats tomorrow evening

Weather: Thick cloudy sky with humidity 60% at the start. At 03:45 UT observations resumed with 40% humidity, clouds/thin and variable seeing (0.8"-1.4").

Comments: First part of the night, observations weren't possible due to clouds. Previous night's morning arcs were executed by daytime TO.

UT Object setup exp airmass seeing note

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EFOSC

00:10:00 closing telescope as a precaution due to weather

03:45:00 opening telescope as weather improved

03:48:00 Focusing

03:56:00 AT2018qq gr13 sl1 600s 1.05 1.3" Object observed was actually the nearby star. Actual transient was missing from acquisition image

04:18:00 SN2018oh gr11/16 sl1 2x600s 1.51 1.0"

04:54:00 SN2017ijn gr11/16 sl1 2x1500s 1.1 1.0"

06:03:00 Std_L745a 1.45 0.9"

06:30:00 SN2017ens gr11 sl1 2700s 1.13 0.9"

07:26:00 SN2017ens gr11 sl1 2700s 1.16 1.1"

08:14:00 SN2017ens gr11 sl1 2700s 1.21 0.9"

09:04:00 Std_LTT3864 1.4 0.9" executed at start of twilight without 1.5" slits

09:23:00 AT2018qp gr13 sl1 300s 1.18 1.1" executed during twilight, class -> SNIa at z = 0.027 at +3d ?

09:38:00 Spec_arcs