Z Cha superoutburst YYYYMMDD(UT) mag observer 20220204.535 162 (Rod Stubbings) 20220205.551 162 (Rod Stubbings) 20220206.556 120 (Rod Stubbings) 20220206.560 127 (Rod Stubbings) 20220206.564 126 (Rod Stubbings) 20220206.567 123 (Rod Stubbings) 20220206.571 120 (Rod Stubbings) 20220206.576 123 (Rod Stubbings) 20220206.581 120 (Rod Stubbings) 20220207.542 116 (Rod Stubbings) 20220208.490 120 (Rod Stubbings) 20220211.481 120 (Rod Stubbings) 20220212.683 120 (Rod Stubbings)