{
  "bibcode": "2018GCN.22788....1H",
  "body": "Y.-D. Hu, F. Aceituno and A.J. Castro-Tirado (IAA-CSIC Granada), on \nbehalf of a larger collaboration, report:\n\nFollowing the detection of GRB 180614A by Swift (Gropp et al. GCNC \n22780), optical images in the I-band were obtained at the 1.5m OSN \ntelescope in Granada (Spain) starting at 01:57 (Jun 15), i.e. 6.67 h \npostburst. No optical afterglow is detected in the co-added image (9 x \n600s, mid time 02:43 UT, 7.4 h after the trigger) within the enhanced \nSwift/XRT error box (Beardmore et al. GCNC 22782) down to I=21.0.",
  "circularId": 22788,
  "createdOn": 1529099168000,
  "email": "youdong@iaa.es",
  "subject": "GRB 180614A: 1.5m OSN I-band observation",
  "submitter": "Youdong HU at IAA-CSIC, UGR  <youdong@iaa.es>",
  "eventId": "GRB 180614A"
}