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GCN Circular 14890

Subject
GRB 130612A: ISON-NM optical observations
Date
2013-06-12T21:13:30Z (11 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
L. Elenin (KIAM), A. Volnova (IKI), V. Savanevych (KNURE), A. 
Bryukhovetskiy (NSFCTC), I. Molotov (KIAM), A. Pozanenko (IKI) report on 
behalf of  larger GRB follow-up collaboration:

We observed of  the field of  the Swift GRB 130612A (Racusin et al., GCN 
14874)  with 0.45-m telescope of ISON-NM observatory starting on June, 
12 (UT) 04:06:14. Series of 30 s exposures were obtained in clear 
filter. In the combined images we detected afterglow (Racusin et al., 
GCN 14874; Melandri et al., GCN14875) in coordinates (J2000) 17 19 10.63 
+16 43 12.0. Preliminary photometry  is based  on the USNO-B1.0 
1067-0299350 star assuming R=18.92.

UT start,           T0+    Filter Exposure, OT
                     mid,d         s

2013-06-12T04:06:14 0.0305 none  30*30      20.75 +/- 0.15
2013-06-12T04:29:28 0.0466 none  30*30      21.25 +/- 0.20
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