{
  "bibcode": "2014GCN.17142....1X",
  "body": "D. Xu (DARK/NBI), H.-B. Niu, A. Esamdin, L. Ma (XAO) report:\n\nWe observed the field of GRB 141205A (Cummings, GCN 17137), using the\n1m telescope located at Nanshan, Xinjiang, China. Observations were\nperformed between 17:26:18 UT and 21:26:52 UT on 2014-12-05, and a\nseries of R-band 120s/200s exposures were obtained. No credible\nuncatalogued optical transient was found within the BAT error circle\n(Markwardt et al., GCN 17140), down to a limiting magnitude of R~20.4\nmag.",
  "circularId": 17142,
  "createdOn": 1417881950000,
  "email": "dong.dark@gmail.com",
  "subject": "GRB 141205A: Nanshan optical upper limit",
  "submitter": "Dong Xu at DARK/NBI  <dong.dark@gmail.com>",
  "eventId": "GRB 141205A"
}