AX Cap superoutburst YYYYMMDD(UT) mag observer 20211017.5471 <159C (Masayuki Moriyama) 20211026.5496 163:C (Masayuki Moriyama) 20211029.467 158 (Rod Stubbings) 20211030.469 158 (Rod Stubbings) 20211031.492 160 (Rod Stubbings)