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Summary: A coronal mass ejection (movie) swept past Earth on May 18th and triggered a G1-class geomagnetic storm that waxed and waned for nearly 12 hours. Late-night sky watchers in northern Europe, Canada and across the northern tier of US states spotted colorful Northern Lights. |
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Colin
Tyler Bogucki, Wild River State Park, Minnesota, USA May 19 |
#1, #2, #3, more | Photo details: "The star trails shot was a 30 minute exposure @ f/8, the others were 50 seconds @ f/2.8. Nikon 35mm cameras with 50mm & 28mm lenses." |
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Wade B Clark
Jr, Hamilton, Washington, USA May 18 |
#1, #2 | Photo details: Fuli 800 speed color print film, 28mm f1.8 lens, 30 second exposures. |
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Lyndon
Anderson, 15 miles north of Bismarck, ND May 19 |
#1, #2, #3, more | L. Anderson: "The auroras were very bright and active, as brightness moved from east to west several times." Photo details: Pentax ZX-M camera, Sigma 28 mm lens with 1.8 aperature, 20 second exposures, Fuji Superia 800 film. |
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Chris
Haws, Mounds View, Minnesota, USA May 19 |
#1, #2, #3, #4, more | C. Haws: "None of the red or violet in the photos were visible to the naked eye." Photo details: Minolta X-370, 28 mm lens at F2.8 exposed for 30 seconds each on Kodax Max 200. |
