ASASSN-15aq superoutburst YYYYMMDD(UT) mag observer 20230623.0403 17.860g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230624.2844 <18.036g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230628.2786 13.812g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230629.3028 13.653g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230630.2952 13.469g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230701.3827 13.69cG (Masao Funada) 20230702.0130 13.574g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230702.2698 13.707g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))