Conditions related to giant sunspot 720(1) and its coronal mass ejections have made the sightings of bright auroras likely tonight in Canada and Alaska. The photo on the left was taken on Jan. 18th by Bjorn Jorgensen in Norway. See more recent images at SpaceWeather.com's Aurora Gallery(2).

1. http://www.space.com/php/multimedia/imagedisplay/img_display.php?pic=050118_sunspot_720_02.gif&cap=Sunspot+group+720+was+the+site+of+the+eruption+on+Jan.+17.+Credit%3A+NASA%2FESA%2FSOHO
2. http://www.spaceweather.com/aurora/gallery_01jan05_page2.htm