GCN Circular 2660
V. Lipunov, A.Krylov, V.Kornilov, G.Borisov, D.Kuvshinov, A.Belinski, M.Kuznetsov, S.Potanin, G.Antipov, E.Gorbovskoy, N.Tyurina Sternberg Astronomical Institute, Alexsandr Krylov Observatory, Moscow At 16.8h after HETE alert 11553 MASTER robotic telescope (http://observ.pereplet.ru) had imaging the corresponding area of the sky. We have 60 unfiltered images of the error box (60s exposition, 40 x 50 arcmin, 200 mm camera). The unfiltered optical limit on sum is about 20m. The visual comparison between these images with the DSS plate does not reveal any new source. Sum FITS image are available at http://observ.pereplet.ru/images/GRB040825a/ This message may be cited.