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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Jan 24 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
24 Jan 2018	070	003
25 Jan 2018	069	003
26 Jan 2018	069	005

Bulletin

Solar activity was at very low levels. The Sun is spotless. No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels.

Solar activity is expected to remain at very low levels.

Solar wind speed decreased from an initial 470 km/s to current values near 350 km/s (DSCOVR). Bz varied between -3 and +3 nT. The interplanetary magnetic field was directed towards the Sun until about 02UT, after which is was mainly directed away from the Sun. A diffuse extension of the northern polar coronal hole (CH) is transiting the central meridian.

The geomagnetic field was mostly at quiet levels and is expected to remain so, with a chance on an unsettled episode.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 07 Stationen.

Solarindizes für den 23 Jan 2018

Wolf-Zahl Catania	000
10cm Solarflux	071
AK Chambon La Forêt	005
AK Wingst	004
Geschätzer Ap-Wert	004
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 22 Stationen

Zusammenfassung auffälliger Ereignisse

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

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