[vsnet-grb-info 17459] GRB 160117B: iTelescope T17 optical observations

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  18885
SUBJECT: GRB 160117B: iTelescope T17 optical observations
DATE:    16/01/18 04:04:33 GMT
FROM:    Veli-Pekka Hentunen at Taurus Hill Obs,A95  <veli-pekka.hentunen at kassiopeia.net>

Veli-Pekka Hentunen, Markku Nissinen and Tuomo Salmi (Taurus Hill
Observatory, Varkaus, Finland) report:

We have detected GRB 160117B optical afterglow at iTelescope observatory
T17 using 0.43-m f/6.8 astrograph and FLI ProLine E2V CCD. The observations
were started at 2016-01-17 14:34:35 (UT). Nine unfiltered images with 300 sec
exposure time were taken.

The afterglow was detected at the position RA 08:48:46.85 and DEC -16:22:00.0.

The following magnitude was obtained from the observations using USNO-B1.0
0736-0196371 (R1=16.52) as a comparison star:

Tmid(s)+T0     Filter          Exp. time          Mag               Mag. Err.
4367               Clear          9x300s             18.6CR          0.2

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