{
  "bibcode": "2000GCN...891....1P",
  "body": "V.Petkov, on behalf of the peak Terskol Observatory GRB followup team.\n\nWe acquired on Nov 9.796 UT one R-band (300s exposure) image and \none I-band (600s exposure) image of the GRB001109 error box\n(GCN #885) using the CCD camera of the 2m peak Terskol Observatory telescope. \nPhotometric calibration of the images was done based on USNO-A2.0\nmagnitudes in the R-band and with selected areas SA 113 and SA 92 \nfor the I band.\nA comparison with Nov 15.653 (1200s exposure) images reveals no fading object\nin the GRB error box down to R=19.6 and I=19.8.",
  "circularId": 891,
  "createdOn": 974939030000,
  "email": "terskol@burbonz.nalnet.ru",
  "subject": "GRB001109, optical observations",
  "submitter": "Valery Petkov at Terskol Observatory  <terskol@burbonz.nalnet.ru>",
  "eventId": "GRB 001109"
}