Night report 2017-08-19

Observers: Joe Lyman, David Homan

TAT: Maria Teresa-Botticella, Kate Maguire

Support team: Kate Maguire

Calibrations: bias, dome flats, arcs, sky flats (evening: U, morning: zr)

Conditions: sporadic clouds and strong seeing (up to 3")

(All times in UT)

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Sunset: 22:28

Twilight (dusk): 23:41

Twilight (dawn):09:51

Sunrise: 11:04

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UT Target Type Comment

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22:50 - Sky Flats Exposures aborted during U-band exposures

23:25 PS17egl Followup g16+11, 1.5"; seeing around 2"

01:19 PS17egl Followup U imaging

01:40 EG274 Standard

01:55 - - Imaging calibration

02:00 AT2017fyo Classification G13, 1.5"; type Ia SN, post peak

02:30 AT2017gfh Classification G13, 1.5"; type IIb SN, post peak

02:50 AT2017gbh Classification G13, 1.5"; type Ia SN, post peak

03:10 AT2017gcj Classification G13, 1.5"; no clear ID, blue continuum, possibly CV

03:27 ATLAS17jnn Classification G13, 1.5"; type Ia SN, post peak

03:42 SMT17scn Classification G13, 1.5"; unclear, possibly Galaxy

04:10 OGLE17mat Classification G13, 1.5"; target has disappeared

04:17 ATLAS17jjb Classification G13, 1.5"; blue continuum, possible CV

04:30 PS17egq Classification G13, 1.5"; type Ia SN, around peak

04:55 AT2017gbv Classification G13, 1.5"; slit centred on galactic nucleus (no other obvious targets); type Ia SN

05:12 Feige 110 Standard

05:33 SN2016ezh Follow Up G11+16, 1.5"

06:35 - - Switch to SOFI for further follow up targets

06:50 - Telluric For AT2017gah

07:05 AT2017gah Follow Up SOFI BG

08:05 AT2017gah Follow Up HJK imaging

08:17 Feige 110 Standard

08:23 - Telluric For AT2017fzw

08:27 AT2017fzw Follow Up SOFI BG

09:30 AT2017fzw Follow Up HJK imaging