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GCN Circular 13682

Subject
GRB 120819A: MASTER optical observations
Date
2012-08-19T16:10:19Z (12 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <gcncirc@observ.inetcomm.ru>
V.Yurkov, Yu.Sergienko, D.Varda, E.Sinyakov
  Blagoveschensk Educational State University, Blagoveschensk


K.Ivanov, S.Yazev, N.M.Budnev, O.Gres, O.Chuvalaev, V.A.Poleshchuk
  Irkutsk State University

  E. Gorbovskoy, V. Lipunov, V.Kornilov, D.Kuvshinov, A.Belinski, N.Tyurina, 
N.Shatskiy, P.Balanutsa, D.Zimnukhov, A.Kuznetsov, V.V.Chazov, 
A.Kuznetsov, 
A.Sankovich
  Sternberg Astronomical Institute, Moscow State University

  A. Tlatov, A.V. Parhomenko, D. Dormidontov, V.Sennik
  Kislovodsk Solar Station of the Pulkovo Observatory

  V.Krushinski, I.Zalozhnih,  A. Popov
  Ural Federal University, Kourovka

  Hugo Levato and Carlos Saffe
  Instituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)

  Claudio Mallamaci, Carlos Lopez and Federico Podest
  Observatorio Astronomico Felix Aguilar (OAFA)


MASTER II  robotic telescope (MASTER-Net: http://observ.pereplet.ru) 
located in Blagoveschensk was pointed to the  GRB120819A (Beardmore et 
al., GCN 13681) sec after GRB time at 2012-08-19 13:12:10.052 UT.
On our first (20s exposure) set we 
haven`t found optical transient  within SWIFT error-box.
The 5-sigma upper limit has been about 16.5 mag
The reduction is continuated.
The message may be cited.
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