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GCN Circular 14894

Subject
GRB 130612A: iTelescope T21 optical observations
Date
2013-06-14T02:27:46Z (11 years ago)
From
Veli-Pekka Hentunen at Taurus Hill Obs,A95 <veli-pekka.hentunen@kassiopeia.net>
Veli-Pekka Hentunen, Markku Nissinen and Tuomo Salmi (Taurus Hill
Observatory, Varkaus, Finland) report:

We have detected GRB 130612A optical afterglow at iTelescope observatory
T21 (Mayhill, New Mexico) 0.43m/6.8 astrograph and FLI-PL6303E 
CCD camera. One unfiltered image with 300 sec exposure time was made.

The afterglow was detected at following position RA 17:19:10.55
and DEC +16:43:11.9

The following magnitude was obtained from the observation using 
NOMAD1 1067-0303513 (R=16.900) as the comparison:

Tmid(sec)+T0    Filter          Exp. time    Mag              Mag err. 
1133                  unfiltered    300            19.19CR       0.39
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