Affichage des archives de lundi, 3 avril 2017

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Rapports
Activité solaire
Activité aurorale
Goodbye 2644

Sunspot region 2644 was again the most active sunspot region on the earth-facing solar disk today. It produced two M-clas solar flares today: an M1.2 solar flare (R1-minor) at 01:05 UTC and an M5.8 solar flare (R2-moderate) that peaked at 14:29 UTC. The M5.8 solar flare is this region's third solar flare that peaked above the M5 threshold and the strongest solar flare produced by sunspot region 2644 thus far.

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Four M-class solar flares, Sunspot region 2645

Solar activity was at high levels yesterday (2 April 2017) as our Sun produced four M-class solar flares! The strongest of these solar flares was an M5.7 solar flare (R2-moderate) that peaked at 20:33 UTC.

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La Météo Spatiale en faits

Dernière classe X18/01/2026X1.9
Dernière classe M21/01/2026M3.4
Dernier orage géomagnétique22/01/2026Kp5+ (G1)
Jours sans taches solaires
Dernier jour sans taches solaires08/06/2022
Nombre mensuel moyen de taches solaires
décembre 2025124 +32.2
janvier 2026119.6 -4.4
30 derniers jours122.3 +11.2

A ce jour dans l'histoire*

Éruptions solaires
12023M2.8
22002M1.92
32015M1.61
42001M1.5
51999M1.19
DstG
11979-57G1
22004-56
31958-52G1
41959-52G2
52006-51G1
*depuis 1994

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