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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Jun 25 1233 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
25 Jun 2019	068	004
26 Jun 2019	068	011
27 Jun 2019	067	005

Bulletin

There are presently two numbered active regions (NOAA AR 2742 and 2743) observed on the visible side of the solar disc. Nevertheless the solar flaring is still very low without C-class or even B-class flares reported. We do not expect change of the solar activity in the coming hours. There were no Earth directed CMEs reported and the solar protons remained at the background level.

The Earth is still inside the slow solar wind with the speed of about 350 km/s. The interplanetary magnetic field magnitude amounts about 4 nT. The fast solar wind associated with the patchy negative polarity coronal hole, which reached central meridian on June 21, is expected to arrive to the Earth later today or tomorrow. The geomagnetic conditions are presently quiet. We expect quiet geomagnetic conditions in the coming hours, with possible isolated intervals of unsettled conditions due to expected fast solar wind arrival.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 011, basierend auf 20 Stationen.

Solarindizes für den 24 Jun 2019

Wolf-Zahl Catania	011
10cm Solarflux	068
AK Chambon La Forêt	008
AK Wingst	006
Geschätzer Ap-Wert	006
Geschätzte internationale Sonnenfleckenzahl	011 - Basierend auf 29 Stationen

Zusammenfassung auffälliger Ereignisse

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

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