X1.7 and long duration M6.6 solar flares erupt from Region 3664, solar radiation storm in progress

Active Region 3664 — the source of numerous Earth-directed coronal mass ejections (CMEs) over the past…

From dusk till dawn with all-sky camera in Italy observing exceptional auroral activity in 4K

Thanks to Gianluca Masi of the Virtual Telescope Project, we have an exceptional video showcasing auroral…

G5 – Extreme geomagnetic storm likely as another set of CMEs merges and impacts Earth on May 12

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Powerful X5.8 solar flare erupts from Region 3664 during G5 – Extreme geomagnetic storm

A major solar flare measuring X5.8 erupted from Active Region 3664 at 01:23 UTC on May…

G5 – Extreme geomagnetic storm following strong CME impact

The first set of several incoming coronal mass ejections (CMEs) impacted Earth at around 16:56 UTC…

Solar radiation storm in progress

Proton flux started rising after 07:00 UTC on May 9, 2024, due to increased flare activity…

Major X3.9 solar flare erupts from AR 3664 — the 10th X-class flare in just 7 days

A powerful solar flare measuring X3.9 erupted from Active Region 3664 at 06:54 UTC on May…

G4 – Severe geomagnetic storm expected as multiple CMEs merge and impact Earth on May 11

Multiple coronal mass ejections (CMEs) — of which at least 4 halo CMEs produced by Active…

At least 5 CMEs heading toward Earth, G3 – Strong Geomagnetic Storm Watch in effect for May 11

At least five coronal mass ejections (CMEs) produced over the past 3 days are heading toward…

Long-duration X1.0 solar flare erupts from geoeffective Region 3664, CME impact expected

A major solar flare measuring X1.0 erupted from Active Region 3664 at 05:09 UTC on May…