V1047 Aql possible superoutburst YYYYMMDD(UT) mag observer 20200826.2531 18.511zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20200826.3194 17.731zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20200902.2058 15.160zg (Zwicky Transient Facility Lasair (Masci+ 2019))