AK Cnc superoutburst Well-known SU UMa star. YYYYMMDD(UT) mag observer 20230210.035 <148 (Gary Poyner) 20230210.6641 <160c (Yutaka Maeda) 20230210.7713 <163C (Masayuki Moriyama) 20230211.7810 <154C (Masayuki Moriyama) 20230213.496 131 (Rod Stubbings) 20230214.487 132 (Rod Stubbings)