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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2017 May 10 1231 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
10 May 2017	068	005
11 May 2017	067	009
12 May 2017	065	008

Bulletin

There were no C-class, and even B-class flares, reported in the last 24 hours. We expect that the solar activity will remain at this low level, and we do not expect C-class flares in the coming hours, while isolated B-class flares are still possible but not very probable. No Earth directed CMEs have been observed and the solar protons remained at background level in the past 24 hours.

The solar wind speed is presently about 360 km/s, and the interplanetary magnetic field magnitude (IMF) is 6nT. Due to the crossing of the sector boundary, simultaneously with the sudden change of the phi angle, the IMF increased to the value of 8nT (at about 16:00 UT on May 09). This slightly elevated value of IMF was maintained until shortly before 24:00 UT when it dropped back to the value of about 5nT, again with the sudden change of the phi angle. The geomagnetic conditions are presently quiet to unsettled and we expect them to stay so in the coming hours.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 26 Stationen.

Solarindizes für den 09 May 2017

Wolf-Zahl Catania	011
10cm Solarflux	069
AK Chambon La Forêt	011
AK Wingst	008
Geschätzer Ap-Wert	008
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 34 Stationen

Zusammenfassung auffälliger Ereignisse

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

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