December 2006
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  Summary: A coronal mass ejection hit Earth on Dec. 14th, sparking a severe (Kp=8) geomagnetic storm and auroras seen as far south as Arizona. The source of the CME was an X3-class explosion from sunspot 930 on Dec. 13th.
  Photographer, Location Images Comments

Heidar Egilsson,
Reykjavik, Iceland
Dec. 15, 2006
#1, #2, more

Photo details: Canon 300D, ISO 800, 8 sec. f/3.5 with Canon 10-22m.m. at focal 10m.m.

Don Poggensee,
near Ida Grove, Iowa
Dec. 14, 2006

The northern lights were bright over most of northwest Iowa.

Photo details: Canon 5D, ISO 800, 35 mm lens at F3.2 at 21 seconds.

Carol Latta,
Lake Ontario, north of Rochester NY
Dec. 14, 2006

We think the bright reds and greens of this aurora are perfect for the season! The aurora was initially an arc, but blossomed into curtains, spikes and waves that shimmered.

Photo details: Canon Digital Rebel, 18mm lens, 1600 ASA, 15s exposure

Darren Addy,
near Kearney, Nebraska
Dec. 14, 2006
#1, #2, #3, #4

Photo details: Pentax K1000, 50mm lens, Fuji Superia 1600 exposed 20-30 seconds at f/2.8

Fredrik Holm,
Reykjavik and Thingvellir, Iceland
Dec. 14, 2006
#1, #2, #3, #4, more

Intense green and pink auroras covering all of the sky during peak activity. Especially early in the evening there were also red and blue aurora, although mostly invisible to the naked eye.

Photo details: Canon EOS 30D, EF-S 10-22 F3.5-4.5, ISO 400, ca 15s exposures.

Neil Kad,
Burlington, Vermont
Dec. 14, 2006
#1, #2

Great auroras were visible even though there was a light cloud cover!

Photo details: Pentax *ist DS ISO 200 30s exposure.

Daniel Wolin,
Marshall, Michigan
Dec. 14, 2006
#1, #2

I was out last night north of the town of Marshall - they appeared green to the naked eye but the camera picked up some other colors

Scott Anttila,
Bear Lake Township Kalkaska, Michigan, USA
Dec. 14, 2006

These auoras covered 275 degrees of the sky. They flased directly overhead and the colors were visible by eye.

Photo details: Canon 350D Rebel XT, 1600ASA, 30 second expsoure

Remi Boucher,
Sherbrooke, Quebec, Canada
Dec. 14, 2006

With all the clouds covering the Quebec, I was very lucky to see some green lights when the skies cleared for 30 minutes.

more images: from Greg Gressa of Davisburg, Michigan; from David Moore of Vicksburg, Michigan; from Jeff Greenwald of Bosler, Wyoming; from Chris Geelan of Cheektowaga, NY; from Michael Gerszewski of Williston, North Dakota; from Leon Yu of Mukwonago, WI; from Monte Spanier of Manistee, Michigan; from Jeremy Ludin of Port Byron, Illinois; from Bryan Mora of Gorham, Maine