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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2015 Nov 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 Nov 2015	109	006
21 Nov 2015	111	007
22 Nov 2015	113	007

Bulletin

Solar activity was very low with X-ray flux remaining below C level. The Catania groups 77 and 78 (NOAA 2454 and 2456) were relatively stable and inactive. Also the new region on the East now numbered Catania 80 (NOAA 2457) remained inactive during the period. Quiet conditions are expected with a possibility for an isolated C flare. No Earth directed CMEs have been recorded in coronagraph data. Solar wind speed further declined towards nominal values from around 430 km/s to around 380 km/s. Total magnetic field increased from 3 nT to 6.5 nT with a peak of 8 nT. Bz was mostly positive but reached a peak under -7nT. Geomagnetic conditions were quiet to unsettled (both local K Dourbes and NOAA Kp 0-3). Nominal solar wind conditions and quiet to unsettled geomagnetic conditions are expected to continue.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 055, basierend auf 09 Stationen.

Solarindizes für den 19 Nov 2015

Wolf-Zahl Catania	///
10cm Solarflux	108
AK Chambon La Forêt	008
AK Wingst	008
Geschätzer Ap-Wert	007
Geschätzte internationale Sonnenfleckenzahl	042 - Basierend auf 16 Stationen

Zusammenfassung auffälliger Ereignisse

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

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