MASTER OT J174816.22+501723.3 superoutburst YYYYMMDD(UT) mag observer 20210924.4265 <162c (Yutaka Maeda) 20211001.1563 19.704zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211001.4063 <159c (Yutaka Maeda) 20211002.4068 152:cG (Yutaka Maeda) 20211003.1365 15.745zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211003.4050 156:c (Yutaka Maeda) 20211003.8547 15.55C (Masao Funada) 20211004.4200 <148c (Yutaka Maeda) 20211005.4050 152:cG (Yutaka Maeda) 20211006.4033 156:c (Yutaka Maeda)