Affichage des archives de mardi, 9 avril 2013

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2013 Apr 09 1257 UTC

Prévisions SIDC

Éruptions solaires

Eruptive (C-class flares expected, probability >= 50%)

Géomagnétisme

Quiet (A<20 and K<4)

Moniteur de Flux de Proton

Quiet

	Flux de 10 cm	Ap
09 Apr 2013	140	007
10 Apr 2013	142	003
11 Apr 2013	143	004

Bulletin

Nine sunspot groups were reported by Catania today. Only one of them (Catania number 43, NOAA AR 1719) has beta-gamma configuration of the photospheric field. This sunspot group, as well as Catania sunspot groups 32, 34, and 40 (NOAA ARs 1713, 1714, and 1718 respectively) that produced flaring activity at a low C-level during the past 24 hours, have the potential to produce C-class flares. An M-class flare is possible, although not very likely. The filament eruption observed by SDO/AIA around 13:46 UT on April 8 was most probably confined as it was not associated with a CME observed by SOHO or STEREO. The Earth is currently inside a slow (around 350 km/s) solar wind flow with average (5-6 nT) interplanetary magnetic field magnitude. We expect quiet geomagnetic conditions.

Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 088, sur la base de 08 stations.

Indices solaires pour 8 Apr 2013

Nombre de Wolf, observé par Catania	///
Flux solaire à 10 cm	139
AK Chambon La Forêt	006
AK Wingst	002
Ap estimé	001
Nombre international de taches solaires estimé	089 - Basé sur 16 stations

Résumé des événements marquants

Données fournies par le Solar Influences Data analysis Center© - SIDC - Traité par SpaceWeatherLive

Toutes les heures sont indiquées en UTC

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