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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2017 Nov 11 1239 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
11 Nov 2017	071	007
12 Nov 2017	071	007
13 Nov 2017	074	007

Bulletin

The solar activity is quiet as the solar disc remains spotless; no flare has been recorded in past 24 h on the visible disc. The X-ray flux is expected to remain below C level.

A wide spread coronal dimming associated with a filament eruption was observed in the North-East quadrant on Nov 10 around 9:00 UT. The eruption was then detected in SOHO/LASCO-C2 coronagraph on Nov 10 at 08:12 UT. Further analysis shows that the Coronal Mass Ejections has no Earth directed component. The solar protons flux remained at background levels over the past 24 hours.

The Earth remained in the fast flow until Nov 10 around 19:00 UT, the speed has then continuously decreased to reach the current value of 535 km/s. The interplanetary magnetic field magnitude remained below 5 nT and the Bz component was fluctuating between -3 and 3 nT. The solar wind speed is expected to continue to decrease until it reaches its nominal level.

Unsettle to disturb geomagnetic conditions were observed (local K Dourbes 1-4, NOAA Kp 2-4). The geomagnetic conditions are expected to reach the nominal level with the decrease of the solar wind speed.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 08 Stationen.

Solarindizes für den 10 Nov 2017

Wolf-Zahl Catania	///
10cm Solarflux	069
AK Chambon La Forêt	028
AK Wingst	020
Geschätzer Ap-Wert	021
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 22 Stationen

Zusammenfassung auffälliger Ereignisse

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

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