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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2015 Nov 21 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

C-class flares expected, (probability >=50%)

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
21 Nov 2015	111	006
22 Nov 2015	112	007
23 Nov 2015	112	007

Bulletin

Solar activity was low with only a single C flare originating from Catania group 80 (NOAA region 2457) peaking at C1.6 level at 2:14UT. Some new flux emerge occurred in the leading part of Catania group 77 (NOAA 2454) while the other regions were fairly stable. The occurrence of further occasional C flaring is quite possible over the next period. No Earth directed CMEs were observed in available coronagraph images.

Solar wind speed was in the 370-430 km/s range with total magnetic field increasing to a peak of 9.6 nT in the first half of the period before restoring to values of around 5 nT. Bz was mostly positive with a dip down to -5 nT before midnight. Geomagnetic conditions were quiet (local K Dourbes 1-2) with only a period of unsettled conditions at planetary level (NOAA Kp 0-3). Nominal wind conditions and associated quiet geomagnetic conditions are expected to continue.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 056, basierend auf 11 Stationen.

Solarindizes für den 20 Nov 2015

Wolf-Zahl Catania	083
10cm Solarflux	111
AK Chambon La Forêt	008
AK Wingst	002
Geschätzer Ap-Wert	003
Geschätzte internationale Sonnenfleckenzahl	055 - Basierend auf 18 Stationen

Zusammenfassung auffälliger Ereignisse

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

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