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The STCE Annual Meeting

It is June, the time of the year of the annual STCE meeting. But COVID-19 forces us to rethink the concept. 

 

ISS transits the Sun

Solar observers at ROB caught the International Space Station (ISS) transiting the Sun.

A burst in flaring activity

On 29 May, the Sun surprized the space weather community with some unexpectedly strong solar flares from an active region that was still behind the solar limb.

SC24: a geomagnetic dud

The latest data confirm that solar cycle 24 is a huge disappointment in terms of geomagnetic activity.

Bright faculae fields

Bright faculae fields appeared near the east solar limb late on 16 May. They belong to the new solar cycle but alas, so far, they have remained spotless.

Active prominences

Dynamic prominences were visible at the solar limb from 8 till 10 May.

Three pairs

The last days of April, the Sun was adorned by four small sunspot groups. Three of them belonged to the new solar cycle 25.

Out of the blue

On 20 April, a minor geomagnetic storm ensued following the impact of a slow but potent interplanetary CME. Due to the lack of an obvious on-disk source, the weak nature of the CME, and data gaps in coronagraphic imagery, both the impact and its strength came as a surprize to space weather forcasters.

News from the North

A compact eruption near the northern polar coronal hole took place on 13 April. It was associated with a fast and narrow coronal mass ejection.

B-class flaring in NOAA 2759

NOAA 2759 was a small sunspot group from the new solar cycle 25. Using the JHelioviewer software, some movies were created showing the 5 B-class flares that it has produced during its transit so far.

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