HV Aur superoutburst YYYYMMDD(UT) mag observer 20210928.7783 <163c (Yutaka Maeda) 20211001.6479 <156c (Yutaka Maeda) 20211002.6480 <160c (Yutaka Maeda) 20211003.6839 145cG (Yutaka Maeda) 20211004.6395 146cG (Yutaka Maeda) 20211005.041 15.06C (Gary Poyner) 20211005.0416 15.03C (Masao Funada) 20211005.6288 152:cG (Yutaka Maeda) 20211006.038 15.35C (Gary Poyner) 20211006.6234 151c (Yutaka Maeda)