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Solar wind
speed: 275.7 km/sec
density: 0.4 protons/cm3
explanation | more data
Updated: Today at 1338 UT
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X-ray Solar Flares
6-hr max: B9 0846 UT Nov21
24-hr: C3 0010 UT Nov21
explanation | more data
Updated: Today at: 1300 UT
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Daily Sun: 21 Nov 11
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New sunspot 1356 produced a significant CME a few days ago while it was on the farside of the sun. Credit: SDO/HMI
ANTARCTIC SOLAR ECLIPSE: On Nov. 25th the Moon will pass in front of the sun, slightly off-center, producing a partial solar eclipse visible from Antarctica, Tasmania, and parts of South Africa and New Zealand. Maximum coverage occurs about 100 miles off the coast of Antarctica where the sun will appear to be a slender 9% crescent. [animated map]
LAST SUNSET: As northern winter approaches, darkness is enveloping the countries of the Arctic. In fact, yesterday in Tromsø, Norway, night fell less than ten minutes after sunrise. Fredrik Broms photographed the sun during its few minutes above the horizon:
"After a long slow dawn, the sun rose for one of the last times of the year today," says Broms. "My girlfriend and I went out to say a last goodbye to the sun and minutes after sunrise the dusk began. Here in Tromsø the polar night period lasts from November 25 - January 17, but because of the surrounding mountains, the sun is due to set on November 22. Together with several other people who attended to pay a last farewell to the Sun today, we say thank you for 2011, sun. We'll see you again in January."
ACTIVE SUNSPOT: A new sunspot (image) has emerged over the sun's NE limb and it could bring an uptick in solar activity. On Nov. 18th, the active region hurled a bright CME toward Venus, and on Nov. 19th it produced the following eruption, recorded by the Solar and Heliospheric Observatory:
So far, Earth has been unaffected by the action of this sunspot group, but this could change as the region turns toward our planet in the days ahead. Stay tuned. Solar flare alerts: text, phone.
