{
  "bibcode": "2012GCN.13713....1K",
  "body": "Yu. Krugly, V. Chiorny (Institute of Astronomy of Kharkiv National \nUniversity), A. Volnova (SAI MSU), I. Molotov (KIAM), A. Pozanenko (IKI) \nreport on behalf of larger collaboration:\n\nWe observed the afterglow of GRB 120819A (Beardmore  et al. GCN 13681) with \n0.7m  telescope of Institute of Astronomy, Kharkiv National Univ. starting \non Aug. 19 (UT) 18:27:41. A set of images were taken in R-filter.   We do \nnot detect optical afterglow (Malesani et al. GCN 13683; Sudilovsky et \nal.GCN 13688). The photometry is based on the nearby USNO-B1.0 (R2) stars:\n\n   T0+,      Filter   Exposure,  OT,   UL (3 sigma)\n mid, d                  (s)\n\n0.22102    R        2160          n/d    20.3",
  "circularId": 13713,
  "createdOn": 1346764441000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 120819A: optical upper limit",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 120819A"
}