Doug Stevens
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I was lucky enough to get the Northern Lights while in Iceland. I had done my homework (Tripod, etc.) but I wasn't expecting the intense cold - -20 degrees!!!.
Again, apologies for the Web destroying the quality of the images. I shot several with people in them, to show the movement involved with the long exposures, but settled on a more traditional image (Icescape / Northern Lights) There is evidence of the fact that I broached the "500" rule" in the slight elongation of the stars, but it was always going to be a compromise. From a technical point of view, "Green" Aurora is lower atmosphere (60-100 miles) when particles from the sun react with Oxygen and Nitrogen. Red aurora is rarer, and is when the particles from the sun reacts with Oxygen at higher than 150 miles. There is also a link to the fact that the human eye sees greens better... Here are the culled images, and the final one. I am having issues printing these for exhibition, but online, they are adequate.
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