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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2014 Dec 31 1211 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
31 Dec 2014	128	007
01 Jan 2015	126	007
02 Jan 2015	126	008

Bulletin

There are currently 6 sunspot regions visible on the solar disk. Six C1 flares were produced: 3 by NOAA 2253, 2 by NOAA 2250 and 1 by NOAA 2251. NOAA 2253 is currently the most complex sunspot region, showing some mixed polarities. No significant or earth-directed CMEs were detected. Further C-class flaring is likely, in particular from NOAA 2253. Solar wind speed continued its gradual decline from its initial value of about 670 km/s to its current 500 km/s. Bz varied between mostly -4 and +3 nT. The geomagnetic field was mostly unsettled during the first half of the period, then turned to quiet conditions. Quiet to unsettled conditions are expected, though an active episode cannot be excluded.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 071, basierend auf 16 Stationen.

Solarindizes für den 30 Dec 2014

Wolf-Zahl Catania	///
10cm Solarflux	130
AK Chambon La Forêt	018
AK Wingst	014
Geschätzer Ap-Wert	016
Geschätzte internationale Sonnenfleckenzahl	072 - Basierend auf 23 Stationen

Zusammenfassung auffälliger Ereignisse

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

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