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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2020 Jan 25 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
25 Jan 2020	071	003
26 Jan 2020	072	003
27 Jan 2020	072	003

Bulletin

Solar activity was at very low levels. No significant flares have been recorded. There is a magnetically simple sunspot group at N04E25 on the solar disk that emerged on Jan 24 (NOAA Active Region 2757). No Earth directed Coronal Mass Ejections (CMEs) have been detected. The greater than 10 MeV proton flux was at nominal values. Solar activity is expected to remain at very low levels.

The solar wind speed ranged between 280 and 340 km/s (ACE). The total magnetic field remained stable with values around 4 nT. Bz varied between -4 and +4 nT. The interplanetary magnetic field (phi angle) was predominantly directed away from the Sun (positive sector), with some short deviations into the negative sector.

Geomagnetic activity was quiet, with the Kp index (NOAA) and the local k index (Dourbes) recording values of between 0 and 2. Quiet conditions are expected on Jan 25-27.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 011, basierend auf 05 Stationen.

Solarindizes für den 24 Jan 2020

Wolf-Zahl Catania	///
10cm Solarflux	071
AK Chambon La Forêt	005
AK Wingst	002
Geschätzer Ap-Wert	002
Geschätzte internationale Sonnenfleckenzahl	011 - Basierend auf 12 Stationen

Zusammenfassung auffälliger Ereignisse

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

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