Affichage des archives de mercredi, 6 septembre 2017

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Rapports
Activité solaire
Activité aurorale
X9.3 earth-directed coronal mass ejection

The wait is over. We finally have a complete set of SOHO/LASCO coronagraph images from today's memorable X9.3 solar flare. If you missed today's space weather events be sure to read this news article before you continue reading here.

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Major X9.33 solar flare

What a day! The strongest solar flare of solar cycle 24 erupted today at 12:02 UTC and of course it was sunspot region 2673 that took center stage. It was a memorable X9.33 solar flare (R3-strong radio blackout) which was highly eruptive as well. We have to go all the way back to 5 May 2015 to find the last time we had an X-class solar flare and it has been 12 years ago since we had a solar flare which was stronger than today's X9.3 event! Not bad considering we are already in the declining phase of solar cycle 24!

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Dernières nouvelles

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La Météo Spatiale en faits

Dernière classe X08/12/2025X1.1
Dernière classe M14/01/2026M1.6
Dernier orage géomagnétique16/01/2026Kp5 (G1)
Jours sans taches solaires
Dernier jour sans taches solaires08/06/2022
Nombre mensuel moyen de taches solaires
décembre 2025124 +32.2
janvier 202696.7 -27.3
30 derniers jours101.3 -5.7

A ce jour dans l'histoire*

Éruptions solaires
12005X5.52
22025M7.4
32004M7.26
42005M3.77
52025M2.1
DstG
11989-83G1
21995-81G2
32005-65G2
42013-52
51970-51G1
*depuis 1994

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