{
  "bibcode": "2015GCN.17614....1M",
  "body": "J. Mao, B. Lun and J.-M. Bai (YNAO) report:\n\n\nWe observed the field of GRB 150314A (Hagen et al., GCN 17573) with the 2.4-meter optical telescope at Gao-Mei-Gu (GMG) station of Yunnan Observatory. Observations began from UT 12:22:09.5 14th, March, 2015 (about 7.5 hours after the trigger). We did not detect any optical source at the XRT position down to a limit of R~21.0.",
  "circularId": 17614,
  "createdOn": 1427089171000,
  "email": "jirongmao_obs@ynao.ac.cn",
  "subject": "GRB 150314A: GMG observation limit",
  "submitter": "Jirong Mao at Yunnan Obs  <jirongmao_obs@ynao.ac.cn>",
  "eventId": "GRB 150314A"
}