{
  "bibcode": "2017GCN.22238....1T",
  "body": "N.Tyurina, V. Lipunov, E. Gorbovskoy,V.Kornilov, D.Kuvshinov, \nA.V.Krylov,  I.Gorbunov, P.Balanutsa, A.Kuznetsov, V.V.Chazov, D. Vlasenko\nLomonosov Moscow State University, Sternberg Astronomical Institut of MSU\n\nR.Podesta, C.Lopez, F. Podesta Observatorio Astronomico Felix Aguilar (OAFA),\nNational University of San Juan, Argentina\n\nH. Levato, C. Saffe\nInstituto de Ciencias Astronomicas,de la Tierra y del Espacio (ICATE),\nSan Juan, Argentina\n\nD.Buckley, S. Potter, A.Kniazev, M.Kotze\nSouth African Astronomical Observatory\n\nR. Rebolo, M. Serra, N. Lodieu, G. Israelian, L. Suarez-Andres\nThe Instituto de Astrofisica de Canarias\n\nO.Gres, K.Ivanov, S.Yazev, N.M.Budnev, O.Gres, O.Chuvalaev, V.A.Poleshchuk,\nIrkutsk State University\n\nV.Yurkov, Yu.Sergienko\nBlagoveschensk Educational State University, Blagoveschensk\n\nA. Tlatov, V.Senik, A.V. Parhomenko, D. Dormidontov\nKislovodsk Solar Station of the Pulkovo Observatory\n\n\nMASTER-IAC robotic telescope (http://observ.pereplet.ru) started Fermi LAT \nGRB171210A  (Bissaldi et al. GCN 22228, t_trigger=2017-12-10 \n11:49:15.26UT, RA, Dec = 335.29, 24.44 (J2000), 0.15deg (90%) \nstat.err.rad.) inspection at\n2017-12-10 19:08:16UT (07h19m00.7s after trigger time) just after sunset.\n\nThe unfiltered mlim on the single images is 20.4 (180s exposition), and on \nthe sum is 21m.\n\nMASTER auto-detection System (Lipunov et al., 2010, Advances in Astronomy, \nvol. 2010, 30L)  didn't find optical counterpart.\n\nhttp://observ.pereplet.ru/images/MASTERGRB171210AFermi.jpg\n\n\nObservations were made on  zenit distance = 14 degrees, galaxy latitude b \n= -27 degree.\n\nDist. to Moon: 144.183815\nMoon coord.: (176.084576 d, 5.105187 d\nLunar disk: 0.451595\nLunar phase: 95.555548\nThe sun  altitude  is -12.79\n\n\nThis message can be cited.",
  "circularId": 22238,
  "createdOn": 1513004177000,
  "email": "lipunov@xray.sai.msu.ru",
  "subject": "GRB 171210A: MASTER-Net optical observations",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov@xray.sai.msu.ru>",
  "eventId": "GRB 171210A"
}