Bright outburst of V803 Cen Berto Monard reports that the helium cataclysmic variable V803 Cen is undergoing an extremely bright outburst. This star being known as helium dwarf nova (probably SU UMa-type counterpart), high speed photometry is urgently requested. YYMMDD(UT) mag observer 980416.750 <141 (B. Monard) 980417.780 141 (B. Monard) 980418.800 <141 (B. Monard) 980419.780 142 (B. Monard) 980420.751 142 (B. Monard) 980420.828 141 (B. Monard) 980420.872 141 (B. Monard) 980420.935 139 (B. Monard) 980421.821 138 (B. Monard) 980422.842 138 (B. Monard) 980423.790 139 (B. Monard) 980426.780 <139 (B. Monard) 980427.780 <141 (B. Monard) 980428.740 141 (B. Monard) 980429.792 129 (B. Monard) 980429.840 129 (B. Monard) 980429.897 129 (B. Monard)