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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Dec 20 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
20 Dec 2019	070	007
21 Dec 2019	070	007
22 Dec 2019	070	007

Bulletin

Solar X ray flux remained below B level throughout the period. There are no spotted regions on disk and X-ray flux is expected to remain at background levels.

No Earth-directed CME's were detected in coronagraph images.

Solar high energy proton fluxes were at background levels and are expected to remain so.

Solar wind conditions have seen the expected decline of the high speed stream. Solar wind speed decreased from just under 550 km/s to under 450 km/s. Total magnetic field was stable around 4nT with a variable Bz component. Solar wind conditions are expected to further decline over the next days.

Geomagnetic conditions were quiet (NOAA Kp and local K Dourbes 0-2) and are expected to remain quiet over the next days.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 07 Stationen.

Solarindizes für den 19 Dec 2019

Wolf-Zahl Catania	///
10cm Solarflux	070
AK Chambon La Forêt	017
AK Wingst	012
Geschätzer Ap-Wert	013
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 14 Stationen

Zusammenfassung auffälliger Ereignisse

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

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