Wils_SDSSJ161027.61+090738.4 outburst SU UMa star. Rare outburst (first one since 2009?) YYYYMMDD(UT) mag observer 20210120.8524 <139c (Yutaka Maeda) 20210124.8563 <156c (Yutaka Maeda) 20210129.7797 <141c (Yutaka Maeda) 20210130.8249 <141c (Yutaka Maeda) 20210207.8196 141:c (Yutaka Maeda)