Mysterious Blue Auroras

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Nov. 3, 2022: 

Thursday night (Nov. 3rd) in Sweden, sky watchers were puzzled when a strange ribbon of blue light appeared during a geomagnetic storm. “It didn’t look like any auroras I have ever seen before,” says Chad Blakley, the director of Lights over Lapland. One of his tour guides, Miquel Such, video-recorded the phenomenon:

A G1-class geomagnetic storm was underway on Nov. 3rd when the blue ribbon appeared. Webcams saw it first at 1615 UT (5:15 p.m. local Abisko time). It rapidly brightened to naked-eye visibility, then sank below the horizon 30 minutes later. The whole time, regular green auroras danced around and seemingly in front of it: movie.

But what was it?

Space physicist Toshi Nishimura of Boston University took a look at the video. “It looks really odd if it’s aurora,” he says. “One auroral arc shouldn’t cut across another auroral arc without disturbing it, so it’s hard to explain this from an auroral physics point of view.”

Above: The blue ribbon over Lake Tornetrask. Photo credit: Claudio Comi

Another possibility is rocketry. Since late October Russia has been conducting ICBM firing exercises in the Barents Sea with the nuclear-powered missile cruiser “Peter the Great” in the area for combat training. Rocket exhaust has been known to create displays like this in the past.

However, no one saw a rocket. Multiple witnesses in Abisko agree that nothing streaked across the sky before the blue band appeared.

For now, the blue ribbon remains a mystery. Any photographers who caught it are encouraged to submit their images. Photos from different locations may help determine the height of the emission. And, of course, if anyone saw a rocket, let us know!

more images: from Hendrik Zwart of Sjøvegan, Salangen Kommune, Norway

MYSTERY SOLVED? On Nov. 3rd, Russia’s nuclear submarine Generalissimus Suvorov test-fired an ICBM from beneath the White Sea. This might be linked to a “blue aurora” widely seen from northern Sweden and Norway on the same date. The sightings are described below. The Russian military has issued a NOTAM (Notice to Airmen) for additional missile firings through Nov. 5th. Sky watchers in the area should remain alert for unusual auroras.

Circumstantial evidence is mounting that the blue apparition was, in fact, a Russian rocket. Back in October 2017 sky watchers across northern Scandinavia saw a similar display documented on Spaceweather.com. It was caused by a Topol ICBM launched from the Plesetsk space center 800 km north of Moscow.

this story was brought to you by Spaceweather.com

via Spaceweather.com

November 16, 2022, By DR. TONY PHILLIPS

Mysterious Blue Auroras — Spaceweather.com

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