KS UMa precursor to superoutburst?

YYYYMMDD(UT) mag observer 20230406.966 <145 (Gary Poyner) 20230407.5623 <144c (Yutaka Maeda) 20230407.939 <145 (Gary Poyner) 20230408.5727 126cG (Yutaka Maeda) 20230408.5727 126cG (Yutaka Maeda) 20230409.5893 132cG (Yutaka Maeda) 20230410.0393 13.84cG (Masao Funada) 20230410.5606 146cG (Yutaka Maeda) 20230410.5606 146cG (Yutaka Maeda) 20230410.6184 150C (Masayuki Moriyama) 20230411.021 154 (Gary Poyner) 20230412.535 <137 (Tsuneo Horie) 20230412.7899 156:C (Masayuki Moriyama)