ER UMa, the prototype of this small class of SU UMa-type dwarf novae, has finally entered a new superoutburst cycle, unexpectedly overdue since its last unusual superoutburst in January (cf. vsnet-alert messages No. 718, 749). Extracted from vsnet-obs reports: YYMMDD(UT) mag code 970221.715 <130 Wnt 970221.822 132 POY normal outburst 970227.003 134 POY 970227.562 14.68V Oud 970228.475 15.42V Oud 970228.915 150 POY 970301.549 14.97V Oud 970301.696 <137 Wnt 970302.878 126 POY beginning of superoutburst 970303.081 121 POY Observations are welcomed! Regards, Taichi Kato