{
  "bibcode": "2015GCN.17540....1M",
  "body": "E. Mazaeva (IKI), A. Volnova (IKI), E. Klunko (ISTP), I. Korobtsev \n(ISTP), M. Eselevich (ISTP), A. Pozanenko (IKI) report on behalf of \nlarger GRB follow-up collaboration:\n\nWe observed the field of GRB 150302A (Lien et al., GCN 17526) with \nAZT-33IK telescope of Sayan observatory (Mondy). We obtained several \nimages in R-filter on Mar., 02, starting (UT) 15:55:19. Within enhanced \nXRT error circle (Goad et al., GCN 17534)  we do not detect any optical \nsource. In particular, we do not detect the afterglow candidate (Fynbo \net al., GCN 17527). Upper limit is following\n\nDate       UT start   t-T0     Filter   Exp.  UL(3sigma)\n                       (mid, days)       (s)\n\n2015-03-02 15:55:19   0.44045  R       43*60  21.6\n\n\nThe photometry   is based on nearby SDSS DR9 stars\nSDSS9_id\t        R(Lupton)\t\nJ114204.20+364911.9\t16.90\t\nJ114201.34+365107.3\t19.45\t\nJ114159.81+365111.7\t19.15",
  "circularId": 17540,
  "createdOn": 1425406174000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 150302A: Mondy optical upper limit",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 150302A"
}