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APOD: 2012 January 24 - January Aurora Over Norway



January Aurora Over Norway
Image Credit & Copyright: Bjørn Jørgensen

Explanation: What's that in the sky? An aurora. A large coronal mass ejection occurred on our Sun five days ago, throwing a cloud of fast moving electrons, protons, and ions toward the Earth. Although most of this cloud passed above the Earth, some of it impacted our Earth's magnetosphere and resulted in spectacular auroras being seen at high northern latitudes. Pictured above is a particularly photogenic auroral corona captured last night above Grotfjord, Norway. To some, this shimmering green glow of recombining atmospheric oxygen might appear as a large eagle, but feel free to share what it looks like to you. This round of solar activity is not yet over -- a new and even more powerful solar flare occurred yesterday that might provide more amazing aurora as soon as tonight.
:facemelt:
 

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Spaceweather.com Time Machine

CME IMPACT: As expected, a CME hit Earth's magnetic field on Jan. 24th at approximately 1500 UT (10 am EST). Geomagnetic storms are likely in the hours ahead. If it's dark where you live, go outside and look for auroras.

In Lofoton, Norway, the CME's arrival produced a surge in ground currents outside the laboratory of Rob Stammes:
 

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Yes, because CME's and their associated electromagnetic disturbances are normal :)
Isn't it odd that they mentioned it then, if it is expected after all? Would seem more noteworthy had the surge been absent it would seem.
 
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