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饾懏7饾懓饾檿饾懠 饾懝饾檷饾懌
@g7izu@universeodon.com  路  activity timestamp 5 hours ago

Space Weather

An M2.0 flare erupted from AR4246 and peaked at 00h41 UT 14 Oct.

#spaceweather
#g7izu

Nasa/SDO image of the sun using filter AIA131. The M2.0 flare is seen in the centre of the image.
Nasa/SDO image of the sun using filter AIA131. The M2.0 flare is seen in the centre of the image.
Nasa/SDO image of the sun using filter AIA131. The M2.0 flare is seen in the centre of the image.
Plot of solar XRay Flux. The M2.0 flare is highlighted.
Plot of solar XRay Flux. The M2.0 flare is highlighted.
Plot of solar XRay Flux. The M2.0 flare is highlighted.
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Wonder of Science
@wonderofscience@mastodon.social  路  activity timestamp 19 hours ago

Every second, the Sun ejects 1.5 million tons of material into space at hundreds of miles per second, but Earth's magnetic field protects it from the solar wind.

Credit: NASA Goddard

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Stephan Sch盲perklaus
@Stephanschaeperklaus@mastodon.social (and 1 other) recently replied  路  activity timestamp 10 hours ago

@wonderofscience Thank you for highlighting Earth's magnetospheric protection! AGU/IEEE research on space weather and solar-terrestrial physics shows how geomagnetic storms affect critical infrastructure. How can we better prepare technological systems for extreme space weather events as solar activity increases? #SpaceWeather #SolarPhysics #Magnetosphere #SpaceScience #AITrends #OpenScience #SocioTech #DigitalEthics

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饾懏7饾懓饾檿饾懠 饾懝饾檷饾懌
@g7izu@universeodon.com  路  activity timestamp 21 hours ago

Space Weather

An M1.3 flare peaked at 13h18 UT 13 Oct. A type II radio emission was observed, indicating the potential for a CME being launched.

The flare originated from Earth-facing active region AR4246, which has been responsible for several flares during the last 24 hours.

#spaceweather
#g7izu

NASA/SDO image using filter AIA131 of an M1.3 flare erupting from AR4246 at 13h18 UT 13 Oct 2025.
NASA/SDO image using filter AIA131 of an M1.3 flare erupting from AR4246 at 13h18 UT 13 Oct 2025.
NASA/SDO image using filter AIA131 of an M1.3 flare erupting from AR4246 at 13h18 UT 13 Oct 2025.
Plots of solar XRay flux
Plots of solar XRay flux
Plots of solar XRay flux
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饾懏7饾懓饾檿饾懠 饾懝饾檷饾懌
@g7izu@universeodon.com  路  activity timestamp yesterday

Space Weather

An M2.7 flare peaked at 09h19 UT from almost Earth-facing region AR4246. A minor R1 radio blackout affected eastern and southern Africa.

An M1.9 flare also erupted from AR4246 at 05h27 UT 13 Oct.

Increasing solar activity has increased noise on the HF bands. Conditions on HF are mostly "fair" at this time.

#spaceweather
#amateurradio
#radiopropagation
#g7izu

Plot of solar xray flux during the last 6 hours.
Plot of solar xray flux during the last 6 hours.
Plot of solar xray flux during the last 6 hours.
DRAP (D-layer absorption) map during the M2.7 flare. Bright colours indicate that a minor R1 radio blackout occurred over Africa during the flare.
DRAP (D-layer absorption) map during the M2.7 flare. Bright colours indicate that a minor R1 radio blackout occurred over Africa during the flare.
DRAP (D-layer absorption) map during the M2.7 flare. Bright colours indicate that a minor R1 radio blackout occurred over Africa during the flare.
Image of the sun taken by NASA/SDO using filter AIA131. An M2.7 flare erupted from active region AR4246 at 09h19 UT on 13 Oct 2025. AR4246 is slightly north-east of the centre of the solar disc.
Image of the sun taken by NASA/SDO using filter AIA131. An M2.7 flare erupted from active region AR4246 at 09h19 UT on 13 Oct 2025. AR4246 is slightly north-east of the centre of the solar disc.
Image of the sun taken by NASA/SDO using filter AIA131. An M2.7 flare erupted from active region AR4246 at 09h19 UT on 13 Oct 2025. AR4246 is slightly north-east of the centre of the solar disc.
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饾懏7饾懓饾檿饾懠 饾懝饾檷饾懌
@g7izu@universeodon.com  路  activity timestamp 5 days ago

Space Weather

After a long period of quiet, an M2.0 flare erupted from very slightly behind the west limb at 12h30 UT 09 Oct.

It was accompanied by an impressive loop of material that fell back into the sun.

#spaceweather
#g7izu

Plot of solar x-ray flux
Plot of solar x-ray flux
Plot of solar x-ray flux
NASA/SDO image of the M2.0 flare (filter AIA131)
NASA/SDO image of the M2.0 flare (filter AIA131)
NASA/SDO image of the M2.0 flare (filter AIA131)
NASA/SDO image of the M2.0 flare (filter AIA304)
NASA/SDO image of the M2.0 flare (filter AIA304)
NASA/SDO image of the M2.0 flare (filter AIA304)
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