SSS J081800.1-511936: active dwarf nova http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia20ads/ Gaia20ads 2019-12-03 10:46:03 124.50052 -51.32685 16.93 18.28 0.63 unknown 2020-01-09 12:56:23 >2 mag outburst on faint Gaia source, previous events seen, candidate CV