{
  "bibcode": "2018GCN.22648....1G",
  "body": "C. Guidorzi, R. Martone (U. Ferrara), S. Kobayashi (LJMU), C.G. Mundell \n(U. Bath), A. Gomboc (U. Nova Gorica), I.A. Steele (LJMU) on behalf of a \nlarge collaboration report:\n\nThe LCO 2-m Faulkes Telescope North (Hawaii) began observing Swift short \nGRB 180418A (D'Elia et al. GCN 22646) on April 18, 07:18:19 UT (34 \nminutes since the GRB) with the SDSS-I filter. We clearly detect the \noptical afterglow (Zheng et al. GCN 22647) with the following magnitude:\n\nMid time since GRB���� Exp������� Filter�������� Magnitude\n(hrs)����������������� (s)\n------------------------------------------------------------\n0.62������������������ 5x60������ SDSS-I�������� 19.2 +- 0.1\n------------------------------------------------------------\n\nas calibrated against nearby SDSS objects.",
  "circularId": 22648,
  "createdOn": 1524037633000,
  "email": "guidorzi@fe.infn.it",
  "subject": "GRB 180418A: LCO FTN afterglow confirmation",
  "submitter": "Cristiano Guidorzi at Ferrara U,Italy  <guidorzi@fe.infn.it>",
  "eventId": "GRB 180418A"
}