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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2017 Jun 20 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
20 Jun 2017	074	008
21 Jun 2017	075	010
22 Jun 2017	076	011

Bulletin

Over the past 24 hours solar activity has been low. No significant flares have been recorded. No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar activity is expected to remain low over the next 24 hours with a small probability of C-class flares and a very low probability of M-class flares. Active Region (AR) 2663, which produced several B-class flares, is approaching the west limb. An AR currently on the east solar limb has shown some evidence of activity, producing several small CMEs which may enhance activity levels in the coming days. The solar wind speed has decreased from around 500 to 400 km/s over the past 24 hours. The total magnetic field strength has fluctuated between 3 and 4 nT. The Bz component fluctuated around 0 nT. Geomagnetic conditions ranged between Kp index 0-2 (NOAA) and local K index 0-2 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 033, basierend auf 25 Stationen.

Solarindizes für den 19 Jun 2017

Wolf-Zahl Catania	///
10cm Solarflux	074
AK Chambon La Forêt	009
AK Wingst	006
Geschätzer Ap-Wert	005
Geschätzte internationale Sonnenfleckenzahl	028 - Basierend auf 35 Stationen

Zusammenfassung auffälliger Ereignisse

Zur Verfügung gestellt vom Solar Influences Data Analysis Center© - SIDC - Verarbeitet von SpaceWeatherLive

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