NY Her superoutburst (ER UMa-like object) YYYYMMDD(UT) mag observer 20230503.4169 18.477zr (ZTF Alert DC mag (Masci+ 2019)) 20230504.3777 <16.992g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230508.3743 15.822g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230509.3606 15.975g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230509.6196 159:c (Yutaka Maeda) 20230510.5690 16.056g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230510.6718 163:C (Masayuki Moriyama) 20230511.0804 15.284g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230511.4629 15.963zg (ZTF Alert DC mag (Masci+ 2019)) 20230511.6454 <151c (Yutaka Maeda) 20230513.6119 <156C (Masayuki Moriyama) 20230514.5432 16.323g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))