AuroraCue answers two questions every aurora chaser has: is it worth going out tonight, and how do I get a real photo of it on my phone? KNOW WHEN TO GO AuroraCue reads NOAA's Space Weather Prediction Center feed and weighs the strongest activity during your dark hours against your geomagnetic latitude, not just your map latitude. Much of North America and Europe sits several degrees closer to the aurora's reach than a plain latitude check would suggest. The home screen paints tonight's sky to