Bonsoir, Hello David Bishop, AT2020edm is not a PSN but a known CV (CSS 080331:160205+031632). https://www.aavso.org/vsx/index.php?view=detail.top&oid=178785 Mesure ; Image AT2020edm 20200312.094 18.8CV MDe http://www.astrosurf.com/deldem/img/sn2020/AT2020edm_DE_C202003120215.jpg Best Regards, Marc Deldem