CRTS J075414.5+313216 superoutburst YYYYMMDD(UT) mag observer 20181214.6997 <162c (Yutaka Maeda) 20181218.6818 <165c (Yutaka Maeda) 20190103.7635 146cG (Yutaka Maeda) 20190105.7871 149c (Yutaka Maeda) 20190108.7049 148cG (Yutaka Maeda)