Northern lights were on display over the Port Snettisham area south of Juneau early Thursday morning. They were visible across much of Southeast Alaska. (Photo by Darcy Damrau Steck)The aurora borealis fills the sky in the Port Snettisham area south of Juneau visible early Thursday. They were visible across much of Southeast Alaska late Wednesday and early Thursday. (Photo by Darcy Damrau Steck)Greens and hints of red fill the sky over the Mendenhall Valley at midnight. (Photo by Jeremy Hsieh)The aurora casts an eerie green light behind the mountains over Juneau on late Wednesday. (Photo by Matt Knutson)