Image:Map auroral oval mostly canada.png

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Image:Map auroral oval mostly canada.png

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[edit] Summary

Contours of constant geomagnetic latitude and longitude (calculated using the 2000 epoch AACGM coordinate system based on the algorithm as described in Baker and Wing [A new magnetic coordinate system for conjugate studies at high latitudes, J. Geophys. Res., 94(A7), 9139–9143, 1989]). The latitude contours indicate 65, 70, and 75 degrees magnetic latitude, which corresponds roughly to the typical auroral oval. Also shown are contours of magnetic lonitude, separated by one hour of local time. This image was created by Eric Donovan. The image may be reproduced without permission, however it should be attributed to Eric Donovan of the University of Calgary.

[edit] Licensing

I, the author of this work, hereby publish it under the following licenses:

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".