{
  "bibcode": "2018GCN.22923....1V",
  "body": "A. Volnova (IKI), I. Reva (FAPHI), E. Mazaeva (IKI), A. Pozanenko (IKI), \n  A. Kusakin (FAPHI),  M. Krugov (FAPHI) report on behalf of larger GRB \nfollow-up collaboration:\n\nWe observed the field of GRB 180706A  (Stamatikos et al., GCN 22909) \nwith Zeiss-1000 telescope of Tien Shan Astronomical Observatory starting \non July 06 (UT) 16:18:35. We obtained several images in R-filter.  The \noptical afterglow (Stamatikos et al., GCN 22909;  Watson et al., GCN \n22910)  is clearly detected in a combined image.  Preliminary photometry \nof the afterglow is following.\n\nDate        UT start t-T0     Filter Exp.    OT    Err.   UL\n                      (mid, days)     (s)\n\n2018-07-06  16:18:35 0.35345  R      29*120  20.65 0.09   22.2\n\nThe photometry is based on several SDSS-DR12 stars.\n\nRef.stars\nSDSS-DR12_id          \tR(Lupton)\nJ120642.39+660133.6\t18.5600.025\nJ120649.22+660218.2\t17.5190.018\nJ120653.24+660249.5\t17.9870.017",
  "circularId": 22923,
  "createdOn": 1530911730000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 180706A: TSHAO optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 180706A"
}