GO Com unusually short superoutburst Already faded. YYYYMMDD(UT) mag observer 20230121.7559 <152c (Yutaka Maeda) 20230123.4261 18.045zr (ZTF Alert DC mag (Masci+ 2019)) 20230125.3831 18.705zg (ZTF Alert DC mag (Masci+ 2019)) 20230127.4149 18.036zr (ZTF Alert DC mag (Masci+ 2019)) 20230130.7041 <157c (Yutaka Maeda) 20230130.9972 <142 (Eddy Muyllaert) 20230202.3882 14.367zr (ZTF Alert DC mag (Masci+ 2019)) 20230204.6995 131cG (Yutaka Maeda) 20230205.112 134 (Gary Poyner) 20230207.6675 132:cG (Yutaka Maeda) 20230208.051 136 (Gary Poyner) 20230210.7140 138cG (Yutaka Maeda) 20230210.7140 138cG (Yutaka Maeda) 20230213.066 14.79C (Gary Poyner) 20230214.032 <148 (Gary Poyner) 20230214.6976 <156c (Yutaka Maeda)