{
  "bibcode": "2019GCN.23718....1M",
  "body": "E. Mazaeva (IKI), A. Pozanenko (IKI), E. Klunko (ISTP), A. Volnova (IKI), S. Belkin (IKI)  report on behalf of of larger GRB follow-up collaboration:\n\nWe observed the field of GRB 190114A (LaPorte et al., GCN 23677) with AZT-33IK telescope of Sayan observatory (Mondy).  We obtained several images in R-filter starting on Jan. 14 (UT) 11:43:08, i.e. ~ 9 hours after the BAT trigger. The afterglow (Siegel et al., GCN 23678; de Ugarte Postigo et al., GCN 23680; Bolmer et al., GCN 23682; de Ugarte Postigo et al., GCN 23687; Selsing et al., GCN 23697) is clearly detected in a stacked image.\nPreliminary photometry is following.\n\nDate       UT start t-T0    Filter  Exp.  OT    Err. UL\n������������������������������������������(mid, days)     (s)\n2019-01-14 11:43:08 0.37663 R       60*60 20.10 0.09 21.8\n\nThe photometry is based on nearby PanSTARRS stars.\nPanSTARRS_id          R(applied Lupton' transformation)\n110620655351961024    16.89\n110610655260315104    17.67\n110600655358532464    17.05\n110580655437279536    17.37",
  "circularId": 23718,
  "createdOn": 1547568495000,
  "email": "30.v@mail.ru",
  "subject": "GRB 190114A: Mondy optical afterglow detectio",
  "submitter": "Elena Mazaeva at IKI, Moscow  <30.v@mail.ru>",
  "eventId": "GRB 190114A"
}