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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2016 May 23 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
23 May 2016	095	005
24 May 2016	094	005
25 May 2016	093	007

Bulletin

The only solar flare observed during the last 24 hours was a B3.0 event peaking at 08:18UT and produced by NOAA 2546. This active region remains the sole sunspot group currently visible. A small filament eruption was observed on 23 May around 06:30UT (N18E25). No earth-directed coronal mass ejections (CMEs) were observed.

Quiet conditions are expected to continue.

Solar wind speed declined from 600 to 500 km/s. Bz varied mostly between -4 and +4 nT, with the Interplanetary Magnetic Field directed away from the Sun. A small negative coronal hole (CH) on the southern hemisphere is transiting the central meridian. Quiet geomagnetic conditions were observed.

Quiet to unsettled geomagnetic conditions are expected as a result of the gradually waning effects of the CH wind stream.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 017, basierend auf 15 Stationen.

Solarindizes für den 22 May 2016

Wolf-Zahl Catania	///
10cm Solarflux	097
AK Chambon La Forêt	011
AK Wingst	009
Geschätzer Ap-Wert	008
Geschätzte internationale Sonnenfleckenzahl	021 - Basierend auf 23 Stationen

Zusammenfassung auffälliger Ereignisse

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

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