YZ Cnc superoutburst The SU UMa-type dwarf nova YZ Cnc is apparently undergoing a superoutburst. The season is not adequate for time-series photometry. YYYYMMDD(UT) mag observer 20000524.153 <149 (G. Hanson) 20000525.153 <149 (G. Hanson) 20000526.153 145: (G. Hanson) 20000526.850 117 (J. Gunther) 20000527.155 118 (G. Hanson) 20000528.158 117 (G. Hanson) 20000529.165 122 (G. Hanson) 20000530.153 122 (G. Hanson) 20000531.158 114 (G. Hanson)