The extremely low in recent solar activity has left lovers of the sky without highlights. Auroras occur rarely and only at high latitudes. One of these events was observed in the deficient Grotforde, Norway, late in the evening on September 12.
Aurora in Norway September 12, 2012 © Helge Mortensen | Spaceweather.com
"Auroras were not strong, but still enough to go out and watch this beautiful phenomenon," — said Helge Mortensen, in his commentary to the photo published on the website SpaceWeather.com.
"North butterfly" appeared in the night sky due to the solar wind, fall into place the convergence of the magnetic field of the Earth. Energetic particles caused a magnetic storm, in the midst of which auroras were observed in Scandinavia, Iceland and Canada.
Polar Lights in Iceland September 12, 2012 © Spaceweather.com
According to the Institute of Applied Geophysics. Fedorov, the polarity of the magnetic field of the Earth returns to the quiescent state. However, there is a chance that the September 14-15 solar wind flow again "ignite" the sky over the pole.
Polar Lights in Canada from the aircraft 12 September 2012 © Spaceweather.com