OT J055718+683226 outburst Gaia detection. SU UMa star. http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia20don/ Gaia20don AT2016hqb 2020-08-02 13:02:49 89.32687 68.54078 16.13 18.38 0.24 CV 2020-08-04 09:25:47 outburst of confirmed CV GSC2.2 N31020007187