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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2017 Oct 16 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
16 Oct 2017	071	013
17 Oct 2017	073	008
18 Oct 2017	073	007

Bulletin

The Sun did not produce any flares in the past 24 hours. The chance for a C flare in the next 24 hours is estimated at 5%. No Earth- directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels.

Solar wind speed measured by DSCOVR decreased from about 575 to about 530 km/s in the past 24 hours. The Interplanetary Magnetic Field (IMF) was directed away from the Sun and its magnitude ranged between about 1 and 6 nT. Quiet to active geomagnetic conditions (K Dourbes between 1 and 4; NOAA Kp between 1 and 5) were registered in the past 24 hours. Active levels (K Dourbes = 4) are possible on October 16, 17 and 18 due to continued influence of the high speed stream associated with a positive coronal hole, with a slight chance for minor storm conditions (K Dourbes = 5).

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 19 Stationen.

Solarindizes für den 15 Oct 2017

Wolf-Zahl Catania	///
10cm Solarflux	070
AK Chambon La Forêt	024
AK Wingst	022
Geschätzer Ap-Wert	025
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 24 Stationen

Zusammenfassung auffälliger Ereignisse

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

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