The importance of solar illumination for discrete and diffuse aurora
We present a comprehensive overview of the occurrence of discrete and diffuse aurora in the nightside Northern Hemisphere at invariant latitudes 55°-75°. Twenty-one months of Freja observations (1 January 1993 to 30 September 1994) from the Northern Hemi...
Main Authors: | , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
Copernicus Publications
2005-12-01
|
Series: | Annales Geophysicae |
Online Access: | https://www.ann-geophys.net/23/3481/2005/angeo-23-3481-2005.pdf |