NY Ser possible superoutburst YYYYMMDD(UT) mag observer 20230608.2286 <16.850g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230609.2171 16.973g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230609.5205 156:c (Yutaka Maeda) 20230609.6292 170C (Masayuki Moriyama) 20230609.933 16.19C (Gary Poyner) 20230609.9347 15.74cG (Masao Funada) 20230612.4945 150C (Masayuki Moriyama) 20230612.5304 146cG (Yutaka Maeda) 20230612.5305 146cG (Yutaka Maeda)