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Keith Strong

@drkstrong • 25,331 subscribers

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

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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

178,731 görüntüleme

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.

106,785 görüntüleme

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.

80,758 görüntüleme

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 görüntüleme

CME WATCH - 2023.04.09: A lot of missing data :(. We start with 3 strong CMEs one after another: one off the southwest, followed by a bigger one off the east limb and a very large one off the northwest. Finally, one off the southwest. Note Jupiter sneaking in from the southeast.

CME WATCH - 2023.04.09: A lot of missing data :(. We start with 3 strong CMEs one after another: one off the southwest, followed by a bigger one off the east limb and a very large one off the northwest. Finally, one off the southwest. Note Jupiter sneaking in from the southeast.

29,064 görüntüleme

The M flare seen at 50,000K. Note the Earth's size in comparison (inset).

The M flare seen at 50,000K. Note the Earth's size in comparison (inset).

26,851 görüntüleme

X FLARE IN PROGRESS - 3RD LARGEST THIS CYCLE: Sunspot region AR3663 (again) just produced an X4.5 flare which is the 3rd largest since the beginning of solar cycle 25 (4.3 years ago). It was a long duration event which is usually associated with a CME: bad time to be without SOHO

X FLARE IN PROGRESS - 3RD LARGEST THIS CYCLE: Sunspot region AR3663 (again) just produced an X4.5 flare which is the 3rd largest since the beginning of solar cycle 25 (4.3 years ago). It was a long duration event which is usually associated with a CME: bad time to be without SOHO

14,265 görüntüleme

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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

178,731 görüntüleme • 3 yıl önce

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.

80,758 görüntüleme • 2 yıl önce

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