{
  "bibcode": "2012GCN.14020....1V",
  "body": "A. Volnova (SAI MSU, IKI), D. Varda (ISON), E. Sinyakov (ISON), I. Molotov\n(KIAM), A. Pozanenko (IKI) report on behalf of larger GRB follow-up\ncollaboration:\n\nWe observed the field of GRB 121125A (Barlow et al., GCN 13993) with ORI-25\ntelescope of ISON-Blagoveshensk observatory starting on Nov.25 (UT)\n09:05:39. We took several unfiltered images. We do not detect the OT\n(Barlow et al., GCN 13993; Yurkov et al., GCN 13994; Im et al., GCN 13995)\nin any combined images. A photometry of stacked image is based on nearby\nUSNO-B1.0 stars (R2):\n\nT_start T0+, Filter, exposure, UL (3 sigma)\n(UT) mid (d) (s)\n\n08:58:19 0.03078 none 52 x 40 15.6",
  "circularId": 14020,
  "createdOn": 1354211551000,
  "email": "alinusss@gmail.com",
  "subject": "GRB 121125A: optical upper limit",
  "submitter": "Alina Volnova at SAI MSU  <alinusss@gmail.com>",
  "eventId": "GRB 121125A"
}