October 2008
 Page 1 | Page 2 | This is Page 3 | Page 4 | Page 5

Summary: A solar wind stream hit Earth on Oct. 11th, sparking the strongest geomagnetic storm of 2008. The brief but intense disturbance registered 7 on the 0-to-9 K-index scale of geomagnetic activity. See also September 2008.

  Photographer, Location Images Comments

RED=magnetic field
BLUE=ground current

Rob Stammes,
Lofoten, Norway
Oct. 12, 2008
#1, more

When magnetometer needles began to swing at the Polar Light Center in Lofoten, Norway, researcher Rob Stammes knew something was up. "A geomagnetic storm was underway." The storm began on Oct. 11th when a solar wind stream hit Earth's magnetic field. Stammes' magnetometer recorded the impact and subsequent reverberations, which lasted for hours. In the chart recording, red shows how the local magnetic field was swinging back and forth while blue denotes electrical currents surging through the ground in response. Outside, Northern Lights were pulsating in sych with the chart recorder's colored pens. "The ground current fluctuated with a 5-to-10 second period; the visible auroras were switching on and off in the same way," he says. "It was a really special sight."

Sauli Koski,
Kittila Finland
Oct. 12, 2008
#1, #2, #3, #4, #5, #6, #7, #8, more

Finally good auroras and no clouds!

Photo details: Nikon D3, Nikon 12-24 lens, 6 sec f3,2 ASA 800

Ragnar Johnskaas,
Ringsaker, NORWAY
Oct. 11, 2008
#1, #2, more

This was my first time this autumn watching aurora borealis. The photos were taken short before midnight local time.

Photo details: Canon EOS 20D, 10 sec exposures, F:2.2, 400 ASA

Jari Ylioja,
Vatjusjärvi,Haapavesi, Finland
Oct. 11, 2008
#1, #2, #3, more

At my latitude,lights wasn't so very bright but i managed to get these shots.

Photo details: Canon EOS-1D Mark II, ISO asetus: 1600 |8-15.0s | F: 2.8-4.0 |17,0mm.

more images: from MaryLou Graham onboard the National Geographic Explorer crossing the Davis Strait between Greenland and Baffin Island; from Claus Vogel of Pangnirtung, Baffin Island; from Christian Praetorius of Bifröst, Iceland