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GCN Circular 10213

GRB 091130: MASTER observations
2009-11-30T17:50:28Z (14 years ago)
Vladimir Lipunov at Moscow State U/Krylov Obs <>
S.Sergienko, V.Yurkov
Blagoveschensk Educational State University, Blagoveschensk

E. Gorbovskoy, D. Zimnukhov, V. Lipunov, V.Kornilov, A.Belinski, 
D.Kuvshinov,  N.Shatskiy,  N.Tyurina, P.Balanutsa, V.V.Chazov,

Sternberg Astronomical Institute, Moscow State University

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

V.Krushinski, I.Zalognikh, T.Kopytova, A. Popov
Ural State University, Kourovka

S.Yazev, K.Ivanov, N.M.Budnev, E.Konstantinov, V.Lenok Irkutsk State University

MASTER  robotic telescope (MASTER-Net:, D= 200 
mm, FOV= 7  square degrees, 16 Mpx Apogee CCD, testing mode) located
at Blagoveschensk   was responted to the  GRB 091130
(Krimm et al., GCN 10212)   23 sec after Notice time and
7 min 22 s after the GRB time.

The first images are saturated due to the Moon light and cloudes.

After exposition correction we took several dozens succesfull images with 
limit ~14.5 mag.

   Time         T_start-T_GRB      ExpTime  m_lim

  16:43:56        35:45             60s       14.5

  16:43:56      35:45-47:03       10x60s      16

We do not see OT brighter 14 mag  in BAT error box.

The reduction is continued.

The message may be cited.
The summ of the images is available at
We note that MASTER-Amur-Blagoveschensk are in testing mode now.

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