{
  "bibcode": "2018GCN.23530....1B",
  "body": "S. Belkin (IKI), A. Kusakin (FAPHI), A. Pozanenko (IKI), I. Reva \n(FAPHI), A. Volnova (IKI),  E. Mazaeva (IKI), M. Krugov (FAPHI) report \non behalf of larger GRB follow-up collaboration:\n\nWe observed the field of GRB 181213A (Evans et al., GCN 23525; Osborne \net al., GCN 23528) with Zeiss-1000 1-m telescope of Tien Shan \nAstronomical Observatory starting on Dec. 13 (UT) 13:39:23.  We detected \nthe OT reported earlier (Lipunov et al., GCN 23526; Hu et al. GCN 23527; \n  Siegel  et al., GCN 23529). Preliminary photometry of the object is \nfollowing.\n\nDate       UT start t-T0    Filter Exp. OT    Err. UL\n                     (mid, days) (s)\n\n2018-12-13 13:39:23 0.04427 R      2640 17.27 0.08 21.8\n\nThe photometry is based on nearby USNO-B1.0 stars\nUSNO-B1.0_id R2\n1684-0061916 15.83\n1684-0061968 16.55",
  "circularId": 23530,
  "createdOn": 1544723103000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 181213A : TSHAO optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 181213A"
}