Purple STEVE Is Not An Aurora — It’s “New Upper Atmospheric Phenomenon”

—  “As you can imagine, I was totally stoked. This was my first STEVE sighting and it was unforgettable. It was visible with the naked eye and I could see the pulsations of green with the purple.” – Greg Ash photographed STEVE over Ely, Minnesota at latitude +47.9 N on May 5-6, 2018

from Earthfiles https://ift.tt/2Pqt4Q7