According to CBET 2431, H. Mikuz discovered a new outbursting object. The position is 210512.29 +691255.3 (J2000.0). The reported magnitudes were 16.5R on Aug. 26 and 16.8R on Aug. 29. The fading rate might suggest a superoutburst. Use the designation OT_J210512.3+691255 in reporting.