The stunning beauty of one of nature's most spectacular events has been captured in this series of spell-binding images.
Every winter in parts of the northern Hemisphere the sky is illuminated by a dazzling, celestial light show.
The Northern Lights - also known the Aurora Borealis - is caused when cosmic radiation hits electrically charged particles in the earth's atmosphere.
The spectacular results have been captured in a series of 25 winning images selected in the Northern Lights Photographer of the Year competition. You can view more of the award winning images here
The Northern Lights - also known the Aurora Borealis - is caused when cosmic radiation hits electrically charged particles in the earth's atmosphere.