E. Gorbovskoy, V. Lipunov, V.Kornilov, A.Belinski, N.Shatskiy, N.Tyurina, D.Kuvshinov, P.Balanutsa, V.V.Chazov, P.V.Kortunov, A.Kuznetsov, D.Zemnukhov, M. Kornilov Sternberg Astronomical Institute, Moscow State University A. Tlatov, A.V. Parhomenko, D. Dormidontov Kislovodsk Solar Station of the Pulkovo Observatory V.Krushinski, I.Zalozhnih, T.Kopytova, A. Popov Ural State University, Kourovka K.Ivanov, S.Yazev, N.M.Budnev, E.Konstantinov, V.Lenok Irkutsk State University MASTER robotic telescope (MASTER-Net: http://observ.pereplet.ru, 200 mm, FOV=8 square degrees (testing mode)) and Very Wide Field Camera (D=50 mm, 1000 square degrees, 11 Mpx, 36" per pix, mounted on telescope) located at Blagoveschensk was responted to the GRB 100206A (Swift BAT alert, TRIGGER_NUM: 411412, Krimm et al, GCN 10376) 73 sec after first Notice time and 90 s after the GRB time. Unfortunatelly, the main telescope camera was not operating due to technical problem at this time. We have a number images with 5 s exposition from Very Wide Field Camera. The image limit from Very Wide Filed Camera ~11.5. trees) is available at http://observ.pereplet.ru/images/GRB100206A/grb100206A.png . There is no OT brighter 11.5. The message may be cited. mailto: lipunov@sai.msu.ru