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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2015 Oct 26 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
26 Oct 2015	105	007
27 Oct 2015	103	007
28 Oct 2015	102	007

Bulletin

Solar activity has been low with the biggest flare of the period an isolated C2.1 flare from NOAA active region 2437. The most prominent region on disk, NOAA active region 2436 experienced some new opposite flux emergence in the trailing spot. Although some isolated C flaring is quite possible, we expect mainly quiet conditions. No Earth directed CMEs have been recorded. Solar wind speed remained elevated in the range of 400-500km/s. Around 13:50 UT a peak of around 12nT was measured in the total magnetic field after wich it declined steadily to a value of currently around 6.5 nT. Bz was mainly positive. The magnetic field phi angle settled steadily in a positive sector. Geomagnetic conditions were quiet to unsettled (both NOAA Kp and local K Dourbes 0-3). Solar wind conditions are expected to further restore towards nominal conditions. Associated quiet to unsettled geomagnetic conditions are expected.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 075, basierend auf 20 Stationen.

Solarindizes für den 25 Oct 2015

Wolf-Zahl Catania	///
10cm Solarflux	106
AK Chambon La Forêt	///
AK Wingst	007
Geschätzer Ap-Wert	008
Geschätzte internationale Sonnenfleckenzahl	064 - Basierend auf 21 Stationen

Zusammenfassung auffälliger Ereignisse

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

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