Watch four hours of Aurora Borealis compressed into three stunning minutes
io9.com/watch-four-hours-of-aurora-borealis-compressed-into-thr-458606045
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
Photographer Gran Strand used 2464 raw images taken with his all-sky camera to create this gorgeous time-lapse video. The swirling crystal ball images show the view from stersund, Sweden, when a when a Coronal Mass Ejection hit Earths magnetic field.