SS UMi superoutburst YYYYMMDD(UT) mag observer 20230102.8283 <154c (Yutaka Maeda) 20230103.8162 <152c (Yutaka Maeda) 20230107.8855 136:cG (Yutaka Maeda) 20230108.728 146C (Mitsutaka Hiraga) 20230108.8059 136:c (Yutaka Maeda) 20230108.8059 136:c (Yutaka Maeda) 20230109.267 13.75C (Gary Poyner) 20230109.8620 139c (Yutaka Maeda)