NSV 5285 superoutburst YYYYMMDD(UT) mag observer 20200304.2789 19.871zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20200305.3076 19.709zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20200308.5866 148:c (Yutaka Maeda) 20200309.4295 15.170zr (Zwicky Transient Facility Lasair (Masci+ 2019))