 EPOD - a service of USRA

The Earth Science Picture of the Day (EPOD) highlights the diverse processes
and phenomena which shape our planet and our lives. EPOD will collect and
archive photos, imagery, graphics, and artwork with short explanatory
captions and links exemplifying features within the Earth system. The
community is invited to contribute digital imagery, short captions and
relevant links.


 STEVE Observed over Orsta, Norway

   November 05, 2020

    Geir_w139stevejan172013-geiroye

   Photographer:  Geir T. B. Øye
   Summary Author:  Geir T. B. Øye

   Shown above is a type of an  aurora referred to as a  STEVE
   ( Strong Thermal Emission Velocity Enhancements), as observed over
   Ørsta, Norway.  STEVE’s seem to form from a ribbon of hot gases
   rather than from  streaming electrons and protons that create most
    auroras. Purplish or greenish in color, they take shape in a narrow
   arc below and equatorward of the primary auroral band and have been
   reported to stretch out for hundreds or even thousands of miles, almost
   always in an east-west direction. Photo taken on January 17, 2013.

   Photo Details: Canon EOS 500D camera; Sigma 17 – 70 mm lens; Remote
   controller; RC-5, tripod. Settings: ISO; 1600, 18 seconds exposure time
     * Ørsta, Norway Coordinates:  62.1981, 6.1276

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Night Sky Links

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     *  American Meteor Society
     *  Arbeitskreises Meteore e.V.
     *  Global City Lights
     *  Heavens Above Home Page
     *  The International Meteor Organization
     *  Lunar and Planetary Institute
     *  MoonConnection
     *  NASA Eclipse Web Page
     *  Understanding The Moon Phases

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