{
  "bibcode": "2018GCN.23311....1M",
  "body": "R. Martone, C. Guidorzi (U. Ferrara), S. Kobayashi (LJMU), C.G. Mundell \n(U. Bath), A. Gomboc (U. Nova Gorica), I.A. Steele (LJMU), A. Cucchiara, \nD. Morris (U. of Virgin Islands) on behalf of a large collaboration report:\n\nWe automatically began observing Swift GRB 181010A (Melandri et al. GCN \n23309) with one LCO 1-m unit at Cerro Tololo from October 10, 06:02:54 \nUT (corresponding to 7.1 minutes from the GRB trigger time) with the \nSDSS r' filter. We clearly detect the optical counterpart reported by \nSwift-UVOT with r'=19.98 +- 0.12 mag from a 3x120s exposure at a mid \ntime of 10.7 minutes post GRB, as calibrated against nearby Pan-STARRS \nobjects.",
  "circularId": 23311,
  "createdOn": 1539156932000,
  "email": "guidorzi@fe.infn.it",
  "subject": "GRB 181010A: LCO Cerro Tololo observations",
  "submitter": "Cristiano Guidorzi at Ferrara U,Italy  <guidorzi@fe.infn.it>",
  "eventId": "GRB 181010A"
}