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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2017 Oct 09 1246 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
09 Oct 2017	080	003
10 Oct 2017	079	008
11 Oct 2017	077	006

Bulletin

Solar activity was at very low levels. NOAA 2683 (Catania 57) had rotated over the west limb by the end of the period. It was the source of five B-class flares observed over the past 24 hours. The last B1.4 flare peaked at 03:24 UT today (09-Oct-2017). No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery. Integral proton flux for protons with energies above 10 MeV remained at background level. Mostly quiet flaring conditions are expected. Solar wind speed gradually decreased from 450 till 360 km/s (DSCOVR). Bz fluctuated between -2.5 and +5 nT, being mostly positive.The interplanetary magnetic field was directed towards the Sun. The extension of a positive polar CH started its transit of the Central Meridian early on 07 October and may influence the earth environment around 10-11 October. The geomagnetic field was at quiet levels, both NOAA and local station at Dourbes ranged 0-2. Mostly quiet geomagnetic conditions are expected, with a chance on an isolated unsettled interval.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 20 Stationen.

Solarindizes für den 08 Oct 2017

Wolf-Zahl Catania	///
10cm Solarflux	077
AK Chambon La Forêt	006
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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