MASTER OT J165153.86+702525.7 outburst SU UMa star. YYYYMMDD(UT) mag observer 20210313.7222 <149c (Yutaka Maeda) 20210317.7286 <155c (Yutaka Maeda) 20210324.2821 14.889zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210324.3102 14.612zg (Zwicky Transient Facility Lasair (Masci+ 2019))