Tag Archives: Solar Flare

New Sunspot

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EMERGING SUNSPOT: A big new sunspot is emerging over the sun’s northeastern limb. AR1271 has at least four dark cores and it is crackling with small flares. The sunspot’s entrance was captured in this 24-hour movie from the Solar Dynamics Observatory:

NOAA forecasters estimate a 60% chance of M-class solar flares during the next 24 hours. Because of its location near the sun’s limb, AR1271 does not yet pose a threat for Earth-directed eruptions. This could change in the days ahead, however, as the sunspot turns to face our planet.

fr/http://spaceweather.com/

Strong Solar Flare 8/9

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Powerful X7-class solar flare erupts from the Sun today

Published on August 9, 2011 7:35 am PT
– By Dave Tole – Writer
– Article Editor and Approved – Warren Miller


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(TheWeatherSpace.com) — This morning at 0805 UT, sunspot 1263 produced a powerful X7-class solar flare. NASA’s Solar Dynamics Observatory captured the explosion’s extreme ultraviolet flash.

The solar flare was not Earth directed but a minor proton storm is in progress around our planet, which could affect satellites.

Radiation from the flare also briefly disrupted communications on some VLF and HF radio frequencies.

We may get a glancing blow from the flare
.

fr/http://www.theweatherspace.com/news/TWS-08_09_2011_x7flare.html

M6 Class Solar Flare

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fr/spaceweather.com

 

M6-CLASS SOLAR FLARE: Sunspot 1261 unleashed another strong solar flare this morning–an M6-class flash at 1348 UT. Like yesterday’s eruption from the same active region, this explosion propelled a CME in the general direction of Earth. ETA: August 5th. Stay tuned for additional analysis.

UPDATE: A listening station above the Arctic Circle in Norway reports ionospheric waves and VHF radio noise associated with today’s M6-flare: their data.

7/29 Solar Flare

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SOLAR FLARE: Sunspot AR1261 unleashed a brief but powerful solar flare on July 30th at 0209 UT. Registering M9 on the Richter Scale of Flares, the blast almost crossed the threshold into X-territory (X-class flares are the most powerful kind). NASA’s Solar Dynamics Observatory recorded the flare’s extreme ultraviolet flash:

Because of its brevity, the eruption did not hurl a substantial cloud of material toward Earth. No CME is visible in SOHO coronagraphs. The eruption was not geoeffective, although future eruptions could be as the active region continues to turn toward Earth.