{
  "bibcode": "2018GCN.23308....1M",
  "body": "E. Mazaeva (IKI),  A. Pozanenko (IKI),  E. Klunko (ISTP),  A. Volnova \n(IKI) report on behalf of of larger GRB follow-up collaboration:\n\nWe observed the field of the GRB 181002A (Gropp et al., GCN 23290) \nwith AZT-33IK telescope of Sayan observatory (Mondy).  We obtained \nseveral images in R-filter starting on Oct. 02 (UT) 16:31:56.  We do not \ndetect any object within enhanced Swift-XRT position  (Beardmore et al., \nGCN 23292). Preliminary photometry of the field is following.\n\nDate        UT start  t-T0      Filter Exp.   OT      Err.  UL(3sigma)\n                       (mid, days)      (s)\n\n\n2018-10-02  16:31:56  0.23281    R     58*60  n/d     n/d   22.9\n\nThe photometry is based on nearby SDSS-DR12 stars\n\nSDSS-DR12_id        R(Lupton)\nJ041903.61+151252.8 18.69\nJ041903.16+151309.7 18.40\nJ041848.32+151242.2 16.52\nJ041904.57+151201.2 17.35\nJ041857.89+151107.8 17.14",
  "circularId": 23308,
  "createdOn": 1538724524000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 181002A: Mondy optical upper limit",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 181002A"
}