{
  "bibcode": "2009GCN.10067....1L",
  "body": "H.Li, L.P. Xin, J. Wang, Y.L. Qiu, J.Y. Wei, W. K. Zheng, \nJ.S. Deng, and C. Wu, J.Y. Hu on behalf of EAFON report:\n\nWe have observed GRB 091024 (Marshall et al. GCN 10062)\nwith Xinglong TNT telescope from  Oct. 24, 10:27:11 (UT),\n1.3 hour after the burst. The optical afterglow \n(Cano et al. GCN 10066; Cucchiara et al. GCN 10065;\nMundell et al. GCN 10063) has been detected in our images.\nThe brightness is estimated to be about R~18.5 mag\nderived from  USNO-A1.0 R magnitude, at the mean time\nof 1.38 hour since the trigger.\n\nThe observation is still going.\n\nThis message may be cited.\n\nFor more information about Xinglong GRBs Follow-up\nobservations, please visit the website:\nhttp://www.xinglong-naoc.org/grb/",
  "circularId": 10067,
  "createdOn": 1256395265000,
  "email": "xlp@bao.ac.cn",
  "subject": "GRB 091024: Xinglong TNT optical observation",
  "submitter": "L.P. Xin at NAOC  <xlp@bao.ac.cn>",
  "eventId": "GRB 091024"
}