MASTER OT J072948.66+593824.4 bright outburst SU UMa star. Bright outburst but fading rapidly. Possibly a precursor? YYYYMMDD(UT) mag observer 20201206.7726 135cG (Yutaka Maeda) 20201207.3606 14.416zg (Zwicky Transient Facility Lasair (Masci+ 2019))