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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Oct 04 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
04 Oct 2018	068	006
05 Oct 2018	067	007
06 Oct 2018	066	007

Bulletin

The active region visible on the solar disc, NOAA 2723 with beta magnetic field configuration, is slowly decaying. No C-class flares in past 24 h. Solar activity is expected to remain at low levels.

No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 hours.

The solar wind speed is at 410 km/s with interplanetary magnetic fields of 5 nT. Geomagnetic conditions have been quiet to unsettled. The fast solar wind associated with a small negative polarity equatorial coronal hole influenced the Earth overnight, but caused only unsettled conditions (Kp = 3 and K at Dourbes = 3) with speeds slightly above 500 km/s and interplanetary magnetic field reaching 10 nT. Quiet conditions expected for the next 48 h. The fast solar wind associated with a positive polarity coronal hole will arrive to the Earth on October 7-8, causing disturbed geomagnetic conditions.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 011, basierend auf 15 Stationen.

Solarindizes für den 03 Oct 2018

Wolf-Zahl Catania	///
10cm Solarflux	068
AK Chambon La Forêt	012
AK Wingst	006
Geschätzer Ap-Wert	005
Geschätzte internationale Sonnenfleckenzahl	013 - Basierend auf 30 Stationen

Zusammenfassung auffälliger Ereignisse

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

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