{
  "bibcode": "2012GCN.13550....1G",
  "body": "J. Gorosabel (IAA-CSIC), M. Jelinek (IAA-CSIC), Ch. Wang (Yunnan\nObservatory, China), C. Zurita (IAC), A. Sota (OSN, IAA-CSIC), J.C. Tello\n(IAA-CSIC), R. Sanchez-Ramirez (IAA-CSIC), A.J. Castro-Tirado (IAA-CSIC),\nreport on behalf of a larger collaboration:\n\n\"We carried out BRI-band observations of the GRB 120729A (Ukwatta et al.\nGCN Circ. 13530) optical afterglow (Virgili et al. GCN Circ. 13531; Oates\net al. GCN Circ. 13539) as follows:\n\nTelescope\tObs.Date(UT)\tTime post GRB(hr)\tExp.Time(s)\tMag.(Vega)\n------------------------------------------------------------------------\n0.3m Bootes-1B \t29.879537-30.022106     10.17-13.58     326x30  R > 19.0\n0.6m Bootes-2\t30.007951-30.042095     13.25-14.07     50x60   R > 19.4\n1.5m OSN\t30.077613-30.163785     14.93-16.99     18x300  R > 22.1\n1.5m OSN\t30.096195-30.099667     15.37-15.45     1x300   B > 21.5\n0.82m IAC80\t30.120174-30.205093     15.95-17.98     22x300  I = 21.9+/-0.3\n\nThe calibration was based on the USNO B1.0 catalogue.\"",
  "circularId": 13550,
  "createdOn": 1343732005000,
  "email": "jgu@iaa.es",
  "subject": "GRB 120729A: Optical observations from OSN, BOOTES1/2 and IAC80",
  "submitter": "Javier Gorosabel at IAA-CSIC  <jgu@iaa.es>",
  "eventId": "GRB 120729A"
}