Possible superoutburst of BR Lup The SU UMa-type dwarf nova BR Lup may be undergoing a superoutburst, after a precursor, as indicated by the following observations by Rod Stubbings. Time-resolved photometry is encouraged. YYMMDD(UT) mag observer 980417.429 <144 (R. Stubbings) 980420.478 143 (R. Stubbings) 980420.494 142 (R. Stubbings) 980422.426 151 (R. Stubbings) 980423.603 <147 (R. Stubbings) 980425.421 138 (R. Stubbings) 980425.558 138 (R. Stubbings) Regards, Taichi Kato