CRTS J105835.1+054706 superoutburst YYYYMMDD(UT) mag observer 20200204.6015 <152c (Yutaka Maeda) 20200205.6026 <160c (Yutaka Maeda) 20200215.3179 14.685zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20200219.3778 15.178zg (Zwicky Transient Facility Lasair (Masci+ 2019))