news
Submitted on 2021-09-28
Decaying sunspot region NOAA 2871 managed to produce 2 M-class flares during its transit over the solar disk.
Submitted on 2021-09-20
SILSO scientists have contributed to research extending the hemispheric sunspot number dataseries all the way back into the 19th century.
Submitted on 2021-09-13
A well-sized quiescent prominence erupted around noon on 12 September near the Sun's northeast limb.
Submitted on 2021-09-06
An increasing number of well-sized sunspot groups are dotting the Sun.
Submitted on 2021-09-01
Solar flaring activity was on the rise last week. NOAA 2860 produced most of the 19 C-class flares as well as the sole M-class event, whereas tiny sunspot group NOAA 2859 was the source of the most photogenic eruption.
Submitted on 2021-08-24
A filament that was visible for nearly a week finally erupted on 22 and 23 August.
Submitted on 2021-08-09
Despite the sunspot activity being on the rise, the Sun had a few spotless days late July and early August. This is not unusual.
Submitted on 2021-08-03
Several coronal dimmings were observed last week in solar EUV imagery. Some of the associated CMEs were thought to have a potentially earth-directed component.
Submitted on 2021-07-26
From 16 till 18 July, a sunspot was visible at the very high southern latitude of -43 degrees. Over the last 20 years, this was only the 2nd group to reach such high latitude.
Submitted on 2021-07-20
Some spectacular halo CMEs having their origin on the Sun's farside were associated with measurable increases in proton flux levels as recorded by near-earth satellites in the L1-point.
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