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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Sep 07 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
07 Sep 2019	069	013
08 Sep 2019	069	007
09 Sep 2019	069	007

Bulletin

No active regions visible on the disk. Solar activity has been very low, no flares in the past 24 h. The situation is not expected to change in the next 48 h.

No Earth directed CMEs in past 24 h. Solar protons have remained at background levels over the past 24 hours.

The solar wind speed is at 450 km/s with interplanetary magnetic field magnitude of 4 nT. Geomagnetic conditions have been quiet. The fast solar wind stream associated with a negative polarity coronal hole is expected to arrive to the Earth within 24 h. In the previous rotation, the high speed stream originating from this coronal hole did not have any geomagnetic impact, but the coronal hole has developed and increased in size since then. Unsettled to active geomagnetic conditions can be expected.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 21 Stationen.

Solarindizes für den 06 Sep 2019

Wolf-Zahl Catania	000
10cm Solarflux	069
AK Chambon La Forêt	010
AK Wingst	009
Geschätzer Ap-Wert	009
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 25 Stationen

Zusammenfassung auffälliger Ereignisse

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

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