Night report 2017-12-12

Observers: Charlotte Angus

TAT: Joe Anderson, Christina Barbarino, Michel Dennefeld

Support team: Chris Frohmaier, Robert Firth

Calibrations: biases, dome arcs+flats (day), spec arcs (morn)

Conditions: Closed for first hour after sunset night due to poor conditions. Clouds at beginning of night, clearing then some thin cloud towards the end.

Winds ~5-10m/s; Seeing 1.3", dropping to ~0.8" by night end.

UT Target Type Comment

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00:38 VMA2 standard seeing 1.3"

01:15 AT2017hcc followup g11g16 1x600s each. Seeing 1.2". Issues with gr16 dome flats

01:48 SN2016ezh followup g11g16 1x1500s each. Seeing 1.2" at beginning, jumping to 1.8" then back during observation.

03:00 Image analysis - -

03:08 AT2017gax followup g11 1x2700s. Seeing 1.2"

04:10 AT2017gax followup g16 1x2700s.

05:00 GD71 standard seeing ~0.8"

05:30 ATLAS17nnh classification Ia norm -2d

05:45 SN2017iws classification Ia norm -4d

06:12 AT2017iwh classification Ic -6d

06:25 SN2017iuk followup g11 1x1800s

07:00 SN2017iuk followup g16 1x1800s. Thin cloud.

07:45 ATLAS17nmr classification Ia norm +4d

08:05 AT2017iwi classification Ia norm +9d

08:20 LTT386 standard -