SDSSJ074640.62+173412.8 likely superoutburst Known SU UMa star. YYYYMMDD(UT) mag observer 20221207.7198 <153c (Yutaka Maeda) 20221208.7126 <147c (Yutaka Maeda) 20221209.7395 <148c (Yutaka Maeda) 20221215.6636 <155c (Yutaka Maeda) 20221220.6618 <152c (Yutaka Maeda) 20221225.6450 159:c (Yutaka Maeda)