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Submitted on 2020-12-08
Small active region NOAA 2790 produced a long duration C7 flare and was associated with an earth-directed full halo coronal mass ejection. UPDATE: As predicted, the CME arrived at Earth early on 10 December but it did not produce significant geomagnetic activity.
Submitted on 2020-12-07
On 5 and 6 December, a triplet of nearly identical C-class flares took place in active region NOAA 2790.
Submitted on 2020-12-02
SOHO, the Solar and Heliospheric Observatory, is celebrating a quarter of a century of impressive solar observations and scientific discoveries.
Submitted on 2020-12-01
Young solar cycle 25 (SC25) gave spaceweather forecasters a good run for their money last week, reaching numerous milestones in its still early career.
Submitted on 2020-11-23
Two active regions are rotating over the southeast solar limb, and the second group contains a really big sunspot.
Submitted on 2020-11-17
On 11 November, a fairly simple sunspot region produced a long duration C-class flare. This was already the third sunspot region observed in November, and an indication that the new solar cycle 25 (SC25) is quickly gaining in strength.
Submitted on 2020-11-10
NOAA 2781 has become the largest sunspot group so far this solar cycle. It produced numerous C-class flares and drove the solar radio flux to its highest levels this year.
Submitted on 2020-11-03
Last week, solar observers were treated on no less than 2 relatively complex sunspot regions. Each group produced a number of C-class flares before starting a gradual decay.
Submitted on 2020-10-27
A relatively large and complex prominence eruption took place at the Sun's northeast limb on 23 October. The associated CME does not seem to have an earth-directed component.
Submitted on 2020-10-20
Two C-class flares occurred near the southwest solar limb on 16 October. Though small, they showed some interesting features, and the associated radio disturbances were also observed by the radioastronomy station in Humain.
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