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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Sep 03 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
03 Sep 2018	068	004
04 Sep 2018	068	005
05 Sep 2018	068	004

Bulletin

Solar activity was at very low levels. No earth-directed coronal mass ejections (CMEs) were observed. A weak CME visible between 18 and 24UT on 2 September (LASCO) proved to be directed away from Earth based on STEREO-A coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels. A small negative polarity coronal hole is about to start its transit of the Central Meridian.

Solar activity is expected to remain at very low levels.

Solar wind speed varied between 310 and 360 km/s, ending the period near 330 km/s (DSCOVR). Bz varied mostly between -5 and +4 nT. The interplanetary magnetic field was initially directed towards the Sun, but moved to a more variable mode late on 2 September. Quiet geomagnetic conditions were observed.

Quiet geomagnetic conditions are expected to continue, with a chance on an isolated unsettled episode.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 19 Stationen.

Solarindizes für den 02 Sep 2018

Wolf-Zahl Catania	///
10cm Solarflux	068
AK Chambon La Forêt	008
AK Wingst	008
Geschätzer Ap-Wert	005
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 31 Stationen

Zusammenfassung auffälliger Ereignisse

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

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