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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Sep 26 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
26 Sep 2018	068	007
27 Sep 2018	068	007
28 Sep 2018	068	007

Bulletin

Solar activity was very low with X-ray flux remaining below B level and no spots on the visible disk. This is expected to remain so over the next days.

No Earth directed CMEs have been identified in coronagraph images.

Proton flux levels were at background values and are expected to remain so.

Solar wind conditions remained slightly elevated with solar wind speed reaching a peak of 480 km/s but mostly below 450 km/s. Total magnetic field was between 2-7.5nT. The magnetic field phi angle was in the positive sector for the entire period. Solar wind conditions should slowly turn to nominal over next days, with some slight increases possible under the influence of a negative polarity coronal hole in the Southern hemisphere.

Geomagnetic conditions were quiet to unsettled (NOAA Kp 1-3 and local K Dourbes 0-3) and quiet to unsettled conditions are expected to continue over the next days.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 25 Stationen.

Solarindizes für den 25 Sep 2018

Wolf-Zahl Catania	///
10cm Solarflux	068
AK Chambon La Forêt	014
AK Wingst	012
Geschätzer Ap-Wert	012
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 32 Stationen

Zusammenfassung auffälliger Ereignisse

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

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