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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Oct 13 1231 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
13 Oct 2019	068	005
14 Oct 2019	068	007
15 Oct 2019	067	005

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 decreased from 400 km/s to 340 km/s (ACE). The total magnetic field varied between 1 and 5 nT. The direction of the interplanetary magnetic field (phi angle) was predominantly directed away from the Sun (positive sector), with a prolonged interval in the negative sector from 05:00 to 09:30 UT Oct 13. Bz varied between -3 and +4 nT. Geomagnetic activity quiet, with the Kp index (NOAA) and the local k index (Dourbes) recording values of 0-2.

Quiet conditions are expected, with possible unsettled intervals due to the influence of a negative polarity coronal hole which began to traverse the central meridian on Oct 10.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 20 Stationen.

Solarindizes für den 12 Oct 2019

Wolf-Zahl Catania	///
10cm Solarflux	068
AK Chambon La Forêt	006
AK Wingst	006
Geschätzer Ap-Wert	004
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 20 Stationen

Zusammenfassung auffälliger Ereignisse

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

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