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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Oct 08 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
08 Oct 2019	068	005
09 Oct 2019	067	006
10 Oct 2019	067	004

Bulletin

Solar activity was at very low levels, no significant flares have been recorded. The Sun remained spotless. No earth-directed coronal mass ejections (CMEs) have been observed in the available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal values.

Solar activity is expected to remain at very low levels.

The solar wind speed gradually increased from approximately 350 km/s to 400 km/s (ACE), with some enhancements in the last part of the period. The direction of the interplanetary magnetic field (phi angle) was predominantly directed away from the Sun (positive sector), but switched to the negative sector from 08:00 UT October 8. Bz varied between -5 and +4 nT. Geomagnetic activity was at quiet to unsettled levels, with the Kp index (NOAA) and the local k index (Dourbes) recording values of 1-2 and 1-3, respectively.

Quiet conditions are expected to continue over the next 48 hours with possible isolated unsettled periods, due to the weak influence a negative polarity coronal hole.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 14 Stationen.

Solarindizes für den 07 Oct 2019

Wolf-Zahl Catania	///
10cm Solarflux	068
AK Chambon La Forêt	017
AK Wingst	010
Geschätzer Ap-Wert	008
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 21 Stationen

Zusammenfassung auffälliger Ereignisse

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

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