{
  "bibcode": "2021GCN.30265....1K",
  "body": "A.K.H. Kong (NTHU, Taiwan) reports\n\nWe observed the field of GRB 210619B (D'Avanzo et al., GCN 30261) with the\nT18 0.32m telescope of iTelescope.Net in Nerpio, Spain. The observation was\ndone with a V-band filter beginning at 2021-06-20 02:37:43 UT (about 2.6\nhours after the trigger) for 180 sec. The optical afterglow (D'Avanzo et\nal., GCN 30261) was detected with V=17.9+/-0.2 by calibrating with the\nAPASS DR10 catalogue.",
  "circularId": 30265,
  "createdOn": 1624164689000,
  "email": "akhkong@gmail.com",
  "subject": "GRB 210619B: iTelescope T18 detection",
  "submitter": "Albert Kong at NTHU  <akhkong@gmail.com>",
  "eventId": "GRB 210619B"
}