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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2017 Aug 05 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
05 Aug 2017	074	019
06 Aug 2017	074	007
07 Aug 2017	074	007

Bulletin

Solar activity was at very low levels in the past 24 hours, and is expected to remain at very low levels (no C flares) in the next 48 hours. No earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels. Under the influence of the high speed stream from a positive coronal hole, solar wind speed registered by DSCOVR varied between about 600 and 790 km/s. The Interplanetary Magnetic Field (IMF) pointed away from the Sun and its magnitude decreased from about 14 to 4 nT. Bt varied between about -10 and 7 nT. Quiet to active geomagnetic conditions (K Dourbes between 2 and 4; NOAA Kp between 2 and 4) were registered in the past 24 hours. Active to minor storm conditions (K Dourbes = 4 to 5) are possible on August 5. Quiet to unsettled geomagnetic levels are expected on August 6 and 7.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 013, basierend auf 25 Stationen.

Solarindizes für den 04 Aug 2017

Wolf-Zahl Catania	///
10cm Solarflux	074
AK Chambon La Forêt	033
AK Wingst	024
Geschätzer Ap-Wert	026
Geschätzte internationale Sonnenfleckenzahl	013 - Basierend auf 29 Stationen

Zusammenfassung auffälliger Ereignisse

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

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