GK Per

Alert Notice 219: Minor outburst of 0324+43 GK Persei AND 0059+53 Nova Cassiopeiae 1995 [V723 Cas]

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AAVSO ALERT NOTICE 219 (February 28, 1996)

MINOR OUTBURST OF 0324+43 GK PERSEI

Alert Notice 384: Outburst of GK Persei

September 24, 2008: As reported in AAVSO Special Notice #125, the cataclysmic variable GK Persei appears to be entering another outburst.  The object began a slow rise on or about 2008 September 10 UT (JD 2454719.5), rising nearly one magnitude above its typical quiescent level of m(vis) = 13, to near m(vis) = 12.2 at present (2008 September 24 UT, JD 2454733.5).  This rate of brightening is typical of past outbursts, and suggests a rise to full outburst may occur soon.  However, this activity comes much sooner than expected based on past intervals between outbursts, and

Special Notice #343: GK Per outburst appears to be underway

March 18, 2013:  The old nova GK Per (N Per 1901), which has dwarf nova outbursts, appears to be going into outburst, according to observations submitted to the AAVSO International Database:

2013 March 11.03 UT, 13.0 (John Bortle, Stormville, NY);
12.87, 12.8 (Bill Wilson, Grange over Sands, Cumbria, England);
14.83, 12.7 (Gary Poyner, Birmingham, England);
15.02429 UT, 12.6 (Miroslav Komorous, London, ONT, Canada);
15.09443, 12.7 (Larry Shotter, Uniontown, PA);
15.86110, 12.4 (Luigi Palazzi, Genova, Italy);