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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Feb 05 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
05 Feb 2018	073	010
06 Feb 2018	072	008
07 Feb 2018	073	007

Bulletin

Solar activity was low. There is one active region NOAA 2699 that appeared in the eastern hemisphere and produced many B-class flares and one C1.1 flare that peaked at 20:24 UT yesterday. Now, NOAA 2699 has alpha magnetic field configuration and is not expected to produce significant flares in the coming hours. Proton flux levels are at background values and are expected to remain so. No Earth-directed CMEs were observed. Solar wind speed is at 430 km/s now with interplanetary magnetic field magnitude of 5 nT. Geomagnetic conditions reached unsettled levels (K = 3) overnight due to the mild effect of the low latitude extension of the northern polar coronal hole (speeds reaching only 450 km/s and interplanetary magnetic field 9 nT). Quiet to unsettled conditions can be expected in the next 48 h.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 015, basierend auf 19 Stationen.

Solarindizes für den 04 Feb 2018

Wolf-Zahl Catania	///
10cm Solarflux	073
AK Chambon La Forêt	010
AK Wingst	004
Geschätzer Ap-Wert	003
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 21 Stationen

Zusammenfassung auffälliger Ereignisse

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

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