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GCN Circular 22800

Subject
GRB 180620A: ISON-MN afterglow confirmation
Event
GRB 180620A
Date
2018-06-20T09:21:07Z (7 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
L. Elenin (KIAM),  A. Pozanenko (IKI),  A. Volnova (IKI), E. Mazaeva, I. 
Molotov (KIAM) report on behalf of larger GRB  follow-up collaboration:

We observed the field of  the Swift GRB 180620A  (Evans et al., GCN  22798) 
with ISON-NM observatory. Observation started 84 s after burst trigger. We 
find  fading object in coordinates (J2000) 18:39:35.09 +23:14:39.0 which 
correspond to the OT candidate (Evans et al., GCN  22798). Preliminary 
photometry of the OT in the first image started   on 2018-06-20T08:36:21.666 
is 17.1m in clear filter. Observation is ongoing.
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