{
  "bibcode": "2007GCN..6223....1R",
  "body": "V. Rumyantsev (CrAO), A. Pozanenko (IKI) on behalf of larger GRB follow up\ncollaboration report:\n\nWe observed error box of GRB070220 (Stamatikos  et al., GCN 6114) with Shajn\n2.6m telescope of CrAO  in R-band on Feb. 8 between (UT)19:25 and 19:53. No\nobject is found in refined XRT error box (Beardmore et al., GCN 6118).\nLimiting magnitude of a combined image is based on USANO A2.0:\n\nMid time (UT),  Exposure,    R_Lim (3sigma)\nFeb. 8.819      22x60        23.9\n\nThe combined image can be found in\nhttp://grb.rssi.ru/GRB070220/grb070220_R_ZTSh.gif\n\nThis message may be cited.",
  "circularId": 6223,
  "createdOn": 1174676969000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB070220: optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 070220"
}