Strong Aurora borealis over Saxony
Taken by Heiko Ulbricht on November 6, 2001 @
Lerchenberg hill, Saxony, Germany
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21 years ago today, on November 6th, 2001, one of the strongest and most beautiful Aurora borealis of the then 23rd sunspot cycle occurred. The sky over Central Europe glowed bright red and violet, like here over Saxony, photographed from Lerchenberg hill. In the background the lights of Dresden with the TV tower.
The cause was an X1.0 flare on the Sun, which triggered a heavy G4 category geomagnetic storm. The KP index was 9+ (!), the DST index was -292 nT, the Bz value -79.5 nT (NanoTesla). Dream values for northern lights over Central Europe! The shock front hit the Earth's magnetic field around 2 a.m. CET. (1 a.m. UT). If you look at the sun today, it could definitely work out again with a spectacle of this kind one day.
PRAKTICA MTL 5B + Pentacon 1.8/50, 60s, KODAK E 200 reversal-/slide film.
Photographer's website:
No URL provided.
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