These drop-down menus link to the top auroras of each year. For 2012 through 2018, click on the year to see a calendar linking to all events for that year.
August 11, 2015 Auroras
Grand Rapids (Yes, you guessed it!), MN
More of the high speed solar wind.
A green tint to the horizon and a more bluish tint above that are all that indicate auroras here. Much of the green above that is airglow.