{
  "bibcode": "2018GCN.23484....1L",
  "body": "V. Lipunov, E. Gorbovskoy, V.Kornilov, D.Kuvshinov, N.Tyurina, P.Balanutsa,\nA.Kuznetsov, V.V.Chazov, D. Vlasenko\nLomonosov Moscow State University,\nSternberg Astronomical Institute, Moscow State University\n\nA. Tlatov, V.Senik, A.V. Parhomenko, D. Dormidontov\nKislovodsk Solar Station of the Pulkovo Observatory\n\nK. Ivanov, O. Gres, N.M. Budnev, S. Yazev, O. Chuvalaev, V. Poleshchuk\nIrkutsk State University\n\nV. Yurkov, A. Gabovich, Yu. Sergienko\nBlagoveschensk Educational State University, Blagoveschensk\n\nR. Podesta, Carlos Lopez and F. Podesta\nObservatorio Astronomico Felix Aguilar (OAFA)\n\nHugo Levato and Carlos Saffe\nInstituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)\n\nR. Rebolo, M. Serra, N. Lodieu, G. Israelian, L. Suarez-Andres\nThe Instituto de Astrofisica de Canarias\n\nD. Buckley, S. Potter, A. Kniazev, M. Kotze\nSouth African Astronomical Observatory\n\n\nMASTER-OAFA robotic telescope (MASTER-Net: http://observ.pereplet.ru, \nLipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in \nArgentina (OAFA observatory of San Juan National University) was pointed \nto the INTEGRAL  GRB181201A ((Mereghetti et\nal., GCN #23469) 10 sec after notice time and 18 sec \nafter trigger time at 2018-12-01 02:40:30 UT. We discovered prompt  growing (one mag per \nminute) optical flash MASTER OT J211711.20-123751.4\n(Podesta et al., GCN #23470; Gorbovskoy et al., Atel #12255) at RA,Dec  = \n21h 17m 11.20s -12d 37m 51.4s\n\n\nLater we observed afterglow at MASTER-Kislovodsk (Lipunov et al., #23476), \nMASTER-SAAO, MASTER-IAC and MASTER-OAFA against in B,V,R,I and Clear fiters.\nObservations are continuated.\n\nThis message can be cited.",
  "circularId": 23484,
  "createdOn": 1543746419000,
  "email": "lipunov@xray.sai.msu.ru",
  "subject": "GRB 181201A: Global MASTER-Net prompt optical descovery and afterglow observations",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov@xray.sai.msu.ru>",
  "eventId": "GRB 181201A"
}