Solar ions flying out from this extensive coronal hole (the dark shape) are expected to rile up Earth’s magnetosphere and fire up auroras beginning tomorrow afternoon and continuing through Monday morning. Picture taken in far UV light on Oct. 5 by NASA’s orbiting Solar Dynamics Observatory. NASA / SDO
A giant north-south gash in the sun’s corona is bleeding high-speed solar particles Earth’s way. They’re expected to arrive beginning tomorrow afternoon (Central time) and produce a moderate G2 geomagnetic storm, ie. a good northern lights display. According to the latest space weather forecast observers in the northern half of the U.S. and Canada might expect to see the aurora as soon as the sky darkens Sunday evening. Peak activity will be from 7-10 p.m. Central Time.
Canada’s a great place for northern lights, the inspiration for the art on the Canadian 2-dollar coin nicknamed the “toonie.” Bob King
If this prognosis holds we should be in for a good show. The moon is totally absent from the sky, making this an ideal time to see an aurora. All you need is a relatively dark sky with a good view to the north. Be careful not to mistake domes of light ...