TITLE:   GCN CIRCULAR
NUMBER:  14132
SUBJECT: GRB 130102A: MASTER-Net  optical observations 
DATE:    13/01/03 08:05:28 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc@observ.inetcomm.ru>

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

Lomonosov Moscow State University, Sternberg 
Astronomical Institute

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

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

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 
Kislovodsk was pointed to the  GRB130102A (Page et. al. GCN14127)   104 
sec after GRB time at 2013-01-02 18:12:37 UT in 
two  polarizations. On our first (20s exposure) set we haven`t found 
optical transient  within SWIFT  error-box.
The 5-sigma upper limit has been about 17.9 mag

MASTER II  robotic telescope (MASTER-Net: http://observ.pereplet.ru) 
located near Blagoveschensk was pointed to the  GRB130102A (Page et. al. 
GCN 14127)   107
sec after GRB time at 2013-01-02 18:12:40 UT in
two  diagonal polarizations. On our first (20s exposure) set we haven`t 
found optical transient  within SWIFT  error-box.
The 5-sigma upper limit has been about 13.9 mag. The low limit is the 
resultsa of the high zenit distance.

We note that there are no objects in any catalogs 10" around center of 
the Swift XRT error box (Osborne et. al. GCN 14129).

The message may be cited.