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The region of SGR 1806-20 localization was observed during its gamma-rayactivity in 2001. The observations have been performed on the 6-meter telescopeof the Special Astrophysical Observatory, using the PanoramicPhotometer-Polarimeter (PPP). The search for variability was performed on the$10^{-6}$ - 10 s time scale, and its results were compared to the properties ofcorresponding x-ray flares.Comment: 4 pages, 2 figures. To appear in ApSS, in the proceedings of the  conference "Isolated Neutron Stars: from the Interior to the Surface",  London, April 2006; eds. S. Zane, R. Turolla and D. Pag

Search for fast optical activity of SGR 1806-20 at the SAO RAS 6-m telescope