Northern Sky Aglow With Aurora Tonight May 22-23

Clouds are silhouetted by the green glow of diffuse aurora around 11:30 p.m. Tuesday night. The sky was overcast 15 minutes later. Photo: Bob King

While it’s been mostly cloudy around here, I noticed the bottom half of the northern sky suffused with auroral light late tonight (Tues.) while taking a walk. Just thought you’d like to know in case you’re reading this from the northern U.S. or southern Canada and have clear skies. Go outside and take a look; the auroral oval is creeping southward in your direction.

The NOAA space weather forecast pins the activity to a stream of high speed particles that left a coronal hole in the sun’s outer atmosphere earlier in the week. Northern lights are again possible tomorrow night before quiet conditions return.

By the way, if you’d like quicker updates on auroras and other astronomy topics, I’m also on Twitter as AstroBob_bk

Good luck tonight!


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