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Whodunit

On 1 and 2 October, the Sun produced an M5, an M8 and an X1 flare. The source was not the large and complex active region NOAA 3112, but the much smaller and somewhat simpler NOAA 3110.

Promises, promises!...

In white light, NOAA 13105 and 13107 looked like rather big and complex sunspot groups when they rounded the solar limb, but flare-wise they were quite a disappointment.

Come to ROB to study EUV brightenings with EUI!

The Royal Observatory of Belgium hires a full-time scientific collaborator, who will play a central role in ROB’s research on campfires.

Flashback

On 23 July 2022, 10 years after the Carrington-like event that happened on the same day, the Sun produced another quite strong event - again on its farside. Imagery by the Solar Orbiter has now revealed that the source was an erupting filament.

NOAA 3088: the sequel

Two weeks after its flaring departure over the solar west limb, active region NOAA 3088 has returned near the southeast limb.

The STCE in 2020

Better late than never, the STCE Annual Report 2020 is now available.

Broccoli, anyone?...

Two relatively large sunspot groups dominated the overall solar activity last week, with active region NOAA 3088 the source of some spectacular flaring events.

An outstanding prominence

A prominence rotating over the northeast solar limb reached an apparent height of well over 100.000 km on 4 August.

Snap!...

A 370.000 km long filament erupted near the Sun's central meridian shortly after noon on 15 July.

Four flavors of a solar eruption

Late on 8 July, an eruption took place in sunspot region NOAA 3053. Using SWHV, an animated mosaic was created showing the flaring event in various wavelengths thus highlighting different features of this long-duration eruption.

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