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The Bastille Day 2017 event

NOAA 2665 continued to dominate the solar surface and was also responsible for the main event of the week, i.e. a long duration M2 flare associated with a halo coronal mass ejection on the French National Day.

A Sunday morning solar observing session

Solar observers had a great weekend observing and imaging the Sun, in particular with the rather large and dynamic sunspot group NOAA 2665 dominating the solar disk.

An eruptive surprize

The Sun surprized solar observers with a medium class solar flare on 3 July. The associated plasma cloud was not directed to Earth.

A day on the Sun

A filament eruption and the emergence of a new sunspot group were the main solar events on 14 June.

Works in progress!...

EUI, SPADE and SUVI are just a few of important space weather projects that are currently being tested on ground or in orbit.

Impressive solar eruption

On 18 April, active region NOAA 2651 produced an impressive solar eruption.

Airplane transits the Sun!

On 28 March, USET solar telescopes captured stunning images of a plane transiting the Sun.

M-class flares à volonté!

On 1 April, the Sun produced its first M-class flare since 29 November 2016. It was the first of a series of 7 M-class flares produced by active region NOAA 2644.

C-class flares at last!

Late on 26 March, the GOES-15 satellite recorded its first C-class flare since 24 February.

A good catch

The officially recordholder of catching non-existing flares works at the STCE. He works at the source of the solar data and 'saw' them first.

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