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