Visual magnitude estimates by P. Schmeer, Bischmisheim, Germany: PERGK 20150306.76 128 Scp PERGK 20150307.831 124 Scp Sequence: AAVSO (V magnitudes) Instrument: 203-mm SCT The previous outburst of GK Per (= Nova Per 1901) occurred in 2013 March. Regards, Patrick