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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Jan 17 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
17 Jan 2019	070	015
18 Jan 2019	070	011
19 Jan 2019	071	007

Bulletin

Solar X-ray flux remained below B level throughout the period. The sunspots that emerged yesterday in the North-Western quadrant were short lived and the Solar disk is again spotless. X-ray flux is expected to continue to be below C level.

No earth directed CMEs have been recorded.

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

Solar wind was mostly nominal, slowly increasing to around 400 km/s until after 11:00 UT when it rose more suddenly to close to 490 km/s. Total magnetic field was first within 4-7nT before increasing to close to 10nT between 8:00 and 10:00 UT. Bz saw a longer period period with values down to -7nT before midnight but has been positive recently. These slight enhancements may continue over the next days.

Geomagnetic conditions were quiet to unsettled (local K Dourbes and NOAA Kp 0-3). Quiet conditions are expected over the next days with initially some unsettled periods possible.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 15 Stationen.

Solarindizes für den 16 Jan 2019

Wolf-Zahl Catania	///
10cm Solarflux	070
AK Chambon La Forêt	013
AK Wingst	///
Geschätzer Ap-Wert	007
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 15 Stationen

Zusammenfassung auffälliger Ereignisse

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

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