CY UMa outburst The SU UMa-type dwarf nova CY UMa is reported to be in outburst. The brightness suggests a superoutburst; the latest superoutburst was observed in 1998 March. YYMMDD(UT) mag observer 990123.489 <153 (G. Hanson) 990126.124 <141 (E. Muyllaert) 990129.241 <141 (E. Muyllaert) 990208.880 <148 (G. Poyner) 990209.937 <148 (G. Poyner) 990210.840 125 (E. Muyllaert)