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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Oct 02 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
02 Oct 2019	069	011
03 Oct 2019	068	010
04 Oct 2019	068	013

Bulletin

Solar activity was at very low levels. Decaying sunspot group NOAA 2749 is barely visible and was quiet during the period. No earth-directed coronal mass ejections (CMEs) have been observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal values.

Solar activity is expected to remain at very low levels.

Solar wind speed remained enhanced, varying between mostly 450 and 520 km/s, and ending the period with values near 480 km/s (ACE). Bz ranged from -4 to + 2 nT, but was near 0 nT for most of the time. The interplanetary magnetic field (phi angle) was directed away from the Sun (positive sector). Quiet to unsettled geomagnetic conditions were recorded in both Kp and K Dourbes.

Geomagnetic activity is expected to be at quiet to unsettled levels until around 4 October, when the wind stream from a patchy negative polarity coronal hole in the southern solar hemisphere may exert some influence on the earth environment. Mostly unsettled conditions are expected then.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 007, basierend auf 21 Stationen.

Solarindizes für den 01 Oct 2019

Wolf-Zahl Catania	///
10cm Solarflux	069
AK Chambon La Forêt	013
AK Wingst	012
Geschätzer Ap-Wert	012
Geschätzte internationale Sonnenfleckenzahl	011 - Basierend auf 19 Stationen

Zusammenfassung auffälliger Ereignisse

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

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