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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Jun 21 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
21 Jun 2019	068	010
22 Jun 2019	069	006
23 Jun 2019	069	004

Bulletin

Solar activity was at very low levels. The Sun remains spotless and no significant flares have been recorded. No Earth directed coronal mass ejections (CMEs) were observed over the last 24 hours in the available coronagraph imagery. The greater than 10 MeV proton flux was at nominal values. Solar activity is expected to remain at very low levels.

The solar wind fluctuated between 330 and 400 km/s (DSCOVR). Bz varied between -5.5 and +8.5 nT. The interplanetary magnetic field was predominantly directed towards the Sun (negative sector). Quiet to unsettled geomagnetic conditions were observed with the Kp index (NOAA) ranging between 1-2 and the local K index (Dourbes) ranging between 2-3.

Quiet to unsettled geomagnetic conditions are expected due to the continued influence of the solar wind streams associated with a series of fragmented negative polarity coronal holes.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 23 Stationen.

Solarindizes für den 20 Jun 2019

Wolf-Zahl Catania	///
10cm Solarflux	068
AK Chambon La Forêt	012
AK Wingst	008
Geschätzer Ap-Wert	007
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 28 Stationen

Zusammenfassung auffälliger Ereignisse

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

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