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Keith Strong

@drkstrong • 25,427 subscribers

Solar physicist interested in Sun-Earth connections, climate change, and public outreach.

Shorts

LARGEST FLARE IN A DECADE! We just had an X2.28 flare making it not only the largest flare so far this cycle but the largest flare since 29th October 2013 (near the peak of SC24). It occurred on the NE limb from sunspot region AR3229 and peaked at 20:22 UT on Friday 17th February

LARGEST FLARE IN A DECADE! We just had an X2.28 flare making it not only the largest flare so far this cycle but the largest flare since 29th October 2013 (near the peak of SC24). It occurred on the NE limb from sunspot region AR3229 and peaked at 20:22 UT on Friday 17th February

178,712 Aufrufe

A SOLAR TSUNAMI: We are expecting wave after wave of coronal mass ejections to striking the Earth on 11th and 12th May. Solar wind speeds of about 800 km/s are possible. Strong and extended geomagnetic storms likely with aurora visible at lower-than-normal latitudes. Stay tuned.

A SOLAR TSUNAMI: We are expecting wave after wave of coronal mass ejections to striking the Earth on 11th and 12th May. Solar wind speeds of about 800 km/s are possible. Strong and extended geomagnetic storms likely with aurora visible at lower-than-normal latitudes. Stay tuned.

106,776 Aufrufe

THE BIGGEST ERUPTION I HAVE EVER SEEN! I have been observing the Sun professionally for over 50 years and this is the largest filament eruption I have seen. Note it covers over half the Sun, compare it to the size of the Earth (inset) but amazingly it did not produce a big flare.

THE BIGGEST ERUPTION I HAVE EVER SEEN! I have been observing the Sun professionally for over 50 years and this is the largest filament eruption I have seen. Note it covers over half the Sun, compare it to the size of the Earth (inset) but amazingly it did not produce a big flare.

80,730 Aufrufe

HOW MANY TIMES LARGER THAN THE SUN WAS THIS CORONAL MASS EJECTION?

HOW MANY TIMES LARGER THAN THE SUN WAS THIS CORONAL MASS EJECTION?

47,808 Aufrufe

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LARGEST FLARE IN A DECADE! We just had an X2.28 flare making it not only the largest flare so far this cycle but the largest flare since 29th October 2013 (near the peak of SC24). It occurred on the NE limb from sunspot region AR3229 and peaked at 20:22 UT on Friday 17th February

LARGEST FLARE IN A DECADE! We just had an X2.28 flare making it not only the largest flare so far this cycle but the largest flare since 29th October 2013 (near the peak of SC24). It occurred on the NE limb from sunspot region AR3229 and peaked at 20:22 UT on Friday 17th February

178,712 Aufrufe • vor 3 Jahren

THE BIGGEST ERUPTION I HAVE EVER SEEN! I have been observing the Sun professionally for over 50 years and this is the largest filament eruption I have seen. Note it covers over half the Sun, compare it to the size of the Earth (inset) but amazingly it did not produce a big flare.

THE BIGGEST ERUPTION I HAVE EVER SEEN! I have been observing the Sun professionally for over 50 years and this is the largest filament eruption I have seen. Note it covers over half the Sun, compare it to the size of the Earth (inset) but amazingly it did not produce a big flare.

80,730 Aufrufe • vor 2 Jahren

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