Billowing and streaming across the sky, visable on clear starry nights, the northern lights are a phenomenon generated by the reaction of solar particles as they flow past the Earth - channeled by the earth's geomagnetic field. An added bonus is to see the northern lights during a full moon on a starry night especially over a large body of water such as Hudson Bay.
The northern lights (aka Aurora borealis) constantly change intensity and while sometimes they appear as a faint stream in the sky to begin with, they can quickly turn into a chaotic mass of swaying lights which fill the sky.
It can be difficult to photograph the northern lights with a full moon - normally the darker the sky the better the lights appear. But on this wild night of activity they did a good job of outshining the moon which hung over Hudson Bay, a scene watched from the town of Churchill in Manitoba - Canada's polar bear capital.
Northern Lights, Aurora borealis, above Hudson Bay and the town of Churchill with a bright moon, Manitoba, Canada.
I photographed this photo with the digital SLR camera model Canon EOS-1Ds Mark II, aperture of f/2.8, exposure time of 1/0.076923 sec. on ISO 200, as always I used a original Canon Lens, the focus lenght for this picture was 16mm.
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