{
  "bibcode": "2018GCN.23160....1K",
  "body": "A.K.H. Kong (NTHU, Taiwan) reports\n\nWe observed the field of GRB 180821A (Tohuvavohu et al. GCN 23158)\nwith the T30 0.51m telescope of iTelescope.Net in Siding Spring,\nAustralia. The observation was done with a luminance filter (400-700\nnm) beginning at 2018-08-21 17:26:22 UT (46 min after the BAT\ntrigger). At the position of the Swift X-ray afterglow, an optical\nsource is marginally detected with a magnitude of 20.4 +/- 0.2. We\npropose this source is the optical afterglow to GRB 180821A. Follow-up\nobservations are encouraged.",
  "circularId": 23160,
  "createdOn": 1534879569000,
  "email": "akhkong@gmail.com",
  "subject": "GRB 180821A: iTelescope optical afterglow detection",
  "submitter": "Albert Kong at NTHU  <akhkong@gmail.com>",
  "eventId": "GRB 180821A"
}