Tonight could bring a rare treat to skywatchers across the United States: a vivid display of the northern lights visible far beyond their usual polar boundary. Thanks to a particularly strong geomagnetic storm,

If using a regular camera, National Geographic suggests using wide-angle lenses, an aperture or F-stop of four or less and a focus set to the farthest possible setting to capture the northern lights. If using a smartphone, it’s recommended to turn on night mode and disable flash.