ASASSN-19cl possible superoutburst YYYYMMDD(UT) mag observer 20230604.9766 <17.341g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230605.9767 <17.851g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230606.9740 <17.369g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230607.9691 <18.536g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230612.9669 15.534g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230614.9617 15.703g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))