CSSJ062450.1+503114 possible superoutburst (UGSU) YYYYMMDD(UT) mag observer 20221227.6959 <176C (Masayuki Moriyama) 20221227.7670 <152c (Yutaka Maeda) 20221228.733 154C (Mitsutaka Hiraga) 20221229.478 157C (Mitsutaka Hiraga) 20221231.7586 <156c (Yutaka Maeda) 20230102.7322 <156c (Yutaka Maeda) 20230103.7199 143:cG (Yutaka Maeda) 20230103.7199 143:cG (Yutaka Maeda)