OT J231110.9+013003 likely superoutburst Long-lasting and slowly fading outburst. Large outburst amplitude. Time-resolved photometry is encouraged. YYYYMMDD(UT) mag observer 20210803.6893 <157c (Yutaka Maeda) 20210805.7608 <166c (Yutaka Maeda) 20210827.8169 142cG (Yutaka Maeda) 20210828.3387 14.899zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210828.3673 14.559zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210828.5598 143cG (Yutaka Maeda) 20210829.2823 14.987zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210905.3153 15.355zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210905.3738 15.604zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210906.2940 15.639zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210906.3376 15.494zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210907.2633 15.547zg (Zwicky Transient Facility Lasair (Masci+ 2019))