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Double Delight! Stars Whirl Through the Northern Lights

Image: Aurora
Photographer Henri Luoma's picture combines a flare-up of the northern lights with a long-exposure view of the turning stars. Henri Luoma / www.henriluoma.fi

The northern lights glow a gorgeous green over Finland's Lake Oulujärvi, but for photographer Henri Luoma, that's not enough. His long-exposure photo includes the arcing trails of the stars that whirled around the north celestial pole through the night.

During a winter outing, Luoma set the exposure time for four hours to capture the star trails, and then combined that photo with a brilliant shot of the aurora to complete the scene. He shared the results via Twitter on Thursday.

"I've also spent 100 hours outside from last August to January 2014 in freezing temperatures to make this time-lapse about Finnish nature," Luoma wrote in a follow-up message.

To see more of Luoma's pictures, check out his HLP.fi website and his Facebook page. And for still more auroral glories from around the world, browse through SpaceWeather.com's aurora gallery plus our own slideshow featuring the greatest hits from the northern lights.