PU CMa superoutburst? The short-period (candidate) SU UMa-type dwarf nova PU CMa is undergoing a possible superoutburst. Although the seasonal condition is already poor, a search for superhumps with time-series CCD photometry would be helpful, if the object is observable for (at least) 2 hours. YYYYMMDD(UT) mag observer 20030504.378 <144 (Rod Stubbings) 20030510.408 <130 (Rod Stubbings) 20030518.353 118 (Rod Stubbings) 20030524.360 120 (Rod Stubbings) Regards, Taichi Kato
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