Here is the BAA VSS light curve for GK Persei since mid 2016. GK Persei produced a classical nova outburst in 1901, peaking at mag 0.2, and more recently has produced a
Steam Workshop::Real Space 3.8
GK Persei a Nova Remnant AKA Fireworks Nebula - Experienced Deep Sky Imaging - Cloudy Nights
Eta (η) Persei: A Persean Puzzle | Star-Splitters
Mirfak (α Persei) | Facts, Information, History & Formation
Speed of the Gaseous remnants of the star GK Persei is not slowing down | SayPeople