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Aurorae and other Atmospheric Phenomena

  • Neil Bone
Part of the Practical Astronomy book series (PATRICKMOORE)

Abstract

Regular observers of the night sky are among those most familiar with the various short-lived cloud and optical phenomena to be seen in the Earth’s atmosphere. Amateur astronomers keeping a weather eye on the sky before nightfall to gauge whether a clear night is likely are often in a position to record atmospheric halos or parhelia (“sundogs”) produced by the refraction of sunlight by ice crystals in advancing veils of cirrus cloud, for example, or unusual formations such as lenticular clouds (Greenler, 1989; Minnaert, 1954). Many amateur observers marvelled at the succession of purple twilights in 1991 and 1992 which resulted from the injection of volcanic material into the stratosphere by the eruption of Mount Pinatubo.

Keywords

Solar Wind Solar Cycle Solar Flare Geomagnetic Storm Auroral Oval 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag London 1999

Authors and Affiliations

  • Neil Bone
    • 1
  1. 1.The HarepathApuldram, ChichesterUK

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