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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2015 Jan 09 1235 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
09 Jan 2015	159	011
10 Jan 2015	163	007
11 Jan 2015	167	007

Bulletin

Solar activity was low. The strongest flare of the period was a C9.7 flare peaking at 8:17UT from Catania group 50 (NOAA AR 2257). Apart from that, only some minor C flaring occurred. Catania group 50 (NOAA AR 2257) continued to grow in size and complexity. Flux emergence and separation was recorded in Catania group 56 (so far NOAA unnumbered). Other regions were relatively stable. Flaring at C level can be expected over the coming days with also a chance for an M flare. No Earth directed CME's were recorded. Solar wind speed was mainly in the 420 to 520 km/s range with a peak over 550 km/s Total magnetic field declined steadily from over 9 nT to around 5 nT. Bz was variable with some negative peaks below -7nT. The geomagnetic conditions were quiet to unsettled (NOAA Kp 2-3, local K Dourbes 1-3). Solar wind parameters are expected to decline further as the influence of the coronal hole high speed stream diminishes. Geomagnetic conditions are expected to be quiet to unsettled with initially still some active period possible.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 079, basierend auf 04 Stationen.

Solarindizes für den 08 Jan 2015

Wolf-Zahl Catania	125
10cm Solarflux	157
AK Chambon La Forêt	014
AK Wingst	013
Geschätzer Ap-Wert	014
Geschätzte internationale Sonnenfleckenzahl	075 - Basierend auf 10 Stationen

Zusammenfassung auffälliger Ereignisse

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

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