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The following images were taken at Poker Flat, Alaska in March 1994 with a Canon A-1 Camera.

Aurorae (or northern lights) are the result of oxygen and nitrogen molecules emitting light as they are excited by electrons traveling along the Earth's magnetic field lines. The green light which is visible in these photographs is the result of electron impacts into oxygen molecules.

A detailed explanation of the physics of aurorae can be found at The Aurora Borealis.

Click on images to see full-size along with additional information

The next image is one taken in Bowdoinham, Maine in August 1997.   The Aurora is much fainter at this latitude but can sometimes be seen toward the northern horizon.  Click on the thumbnail image to see a full-size version with additional information.

Bowdoinham Aurora

Be sure to also visit my other astronomy pages!

CCD Images - CCD camera images of galaxies, nebulae, and star fields.

Astronomy Resources - Extensive list of astronomy resources on the internet, categorized by subject with descriptions of each site.  

Astronomy Books - Astronomy books that have helped me personally in my studies of astronomy, astrophotography, ccd imaging and image processing.  

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Last Updated on May 25, 2002

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(All photographs are copyright © 1996 by Jeffrey A. MacQuarrie and may not be used without permission).

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