{
  "bibcode": "2012GCN.14024....1V",
  "body": "A.Volnova (SAI MSU, IKI), E. Klunko (ISTP), A. Pozanenko (IKI) on behalf of\nlarger GRB follow up collaboration report:\n\nWe observed the field of the Swift GRB 121128A (Oates et al., GCN 14007)\nwith AZT-33IK telescope of Sayan observatory (Mondy). We took several\nimages in R-filter of 60 s exposure on Nov. 29, between (UT) 10:16:58-\n13:33:38 under favorable weather conditions. We do not detect the optical\nafterglow (Oates et al., GCN 14007; Japelj et al., GCN 14008) in stacked\nimages. A photometry of stacked image\n\nt_start,      T0+ (mid), filter,  exp.,   UL (3 sigma)\n(UT)          d                            s\n\n10:16:58 1.28450      R       11200  22.1\n\nis based on the same nearby USNO-B1.0 stars used in our previous\nobservation (Volnova et al., GCN 14019):\n\nUSNO-B1.0       RA(J2000)     Dec(J2000) R\n1442-0304687 20:02:23.58 +54:16:58.9 16.67\n1442-0304744 20:02:29.58 +54:16:57.0 18.66\n1442-0304807 20:02:36.33 +54:17:58.9 18.20\n1443-0305750 20:02:37.10 +54:18:34.6 17.72\n1443-0305710 20:02:32.72 +54:18:46.9 17.25",
  "circularId": 14024,
  "createdOn": 1354310350000,
  "email": "alinusss@gmail.com",
  "subject": "GRB 121128A: optical observation in Mondy observatory",
  "submitter": "Alina Volnova at SAI MSU  <alinusss@gmail.com>",
  "eventId": "GRB 121128A"
}