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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Jun 15 1239 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
15 Jun 2018	072	006
16 Jun 2018	072	007
17 Jun 2018	072	007

Bulletin

Solar activity was very quiet with X-ray flux remaining below B level. Catania sunspot group 86 (NOAA active region 2713) is the only spotted region on the visible disk and it appears stable. Chances for C class flaring remain very low.

Only a small westbound CME was visible in SoHO/LASCO coronagraph images around 17:36UT which will not affect Earth.

Solar proton flux levels were at background values and are expected to remain so.

Solar wind conditions have been nominal with solar wind speed between 300-350 km/s and total magnetic field below 5 nT. The Bz component of the magnetic field was variable. The magnetic field phi angle indicates a negative sector connection. Solar wind conditions are expected to be nominal until at least June 18.

Geomagnetic conditions were quiet (local K Dourbes 1-2 and NOAA Kp 1) and are expected to remain so.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 015, basierend auf 18 Stationen.

Solarindizes für den 14 Jun 2018

Wolf-Zahl Catania	017
10cm Solarflux	072
AK Chambon La Forêt	008
AK Wingst	///
Geschätzer Ap-Wert	007
Geschätzte internationale Sonnenfleckenzahl	016 - Basierend auf 21 Stationen

Zusammenfassung auffälliger Ereignisse

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

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