NOAA 4299 produced an M8 flare late on 6 December. The associated coronal mass ejection (CME) is earth-directed and may cause a strong geomagnetic storm on 8-9 December. The X-class flare of 8 December had NOAA 4298 as its source.

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A new data product reflects the progress that the LYRA team has made to discern the different instrumental degradation of quiet-Sun, active-region, and flare signals, and how to correct the data accordingly. The LYRA team wants to present this 15-year daily dataset to the solar community, in order to enable a comparison with various solar indicators, and to study the solar cycle.

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Exactly 1 year ago, December 5, the duo satellite Proba-3 left Earth to head to space. The telescope ASPIICS, whose task is to make perfect total solar eclipses from space, was onboard. Now, 1 year later, ASPIICS has already delivered a wealth of amazing pictures of the solar atmosphere close to its surface, a treasure box for solar scientists. 

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SOHO was launched on 2 December 1995. Three decades later, it is still providing valuable space weather data.

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A giant sunspot region has rounded the southeast solar limb and has been the source of several M-class flares. The X-class event early on 1 December was produced by a smaller region near the northeast limb. Further strong flares are expected in the coming days.

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Fundamental Research

The STCE does Fundamental Research.

Public Outreach

Open DoorsThe STCE does public outreach during the STCE Annual Meeting and the Open Doors of the Space Pole in Uccle.

One of the highlights of the Open Doors is always a visit to the Solar Dome. A small introductory presentation is first given in the corridor of the SIDC. Skilled observers and space weather forecasters explain in laymen terminology what sunspots are, how they are observed, why these observations are so important, and how solar eruptions affect us and our technology. Then, the small groups of 10-15 people are guided stairs towards the top of the solar dome. There, the various solar telescopes are shown and their specific applications are discussed. Weather permitting, the visitors can also make solar observations using a projected solar image from the white light solar telescope. During and after the visit, there is plenty of opportunity to ask questions to the guides.

 

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