MASTER OT J021211.74+475602.7 outburst Gaia detection. Gaia19cln AT2019htt 2019-06-18 07:13:53 33.04904 47.93412 14.49 16.97 0.10 unknown 2019-06-19 13:58:37 candidate CV MASTER J021211.74+475602.7 in outburst http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia19cln/