TITLE: GCN CIRCULAR NUMBER: 14894 SUBJECT: GRB 130612A: iTelescope T21 optical observations DATE: 13/06/14 02:27:46 GMT FROM: Veli-Pekka Hentunen at Taurus Hill Obs,A95 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