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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Nov 21 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
21 Nov 2018	071	013
22 Nov 2018	071	017
23 Nov 2018	071	011

Bulletin

Solar X-ray flux remained below B level. With no regions on disk chances for C-class flaring are very low.

No Earth directed CMEs have been observed in coronagraph images.

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

Solar wind speed declined over the period to be mainly in the 400-420 km/s range with lately a further decline to 390 km/s. Total magnetic field saw another period of slight enhancement reaching close to 10nT and now back at around 6nT. Bz was mostly positive and the phi angle was in the negative sector.. Slightly enhanced conditions are expected to continue over the next days related to the Southern coronal hole regions.

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

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 17 Stationen.

Solarindizes für den 20 Nov 2018

Wolf-Zahl Catania	///
10cm Solarflux	071
AK Chambon La Forêt	007
AK Wingst	006
Geschätzer Ap-Wert	005
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 11 Stationen

Zusammenfassung auffälliger Ereignisse

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

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