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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Nov 27 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
27 Nov 2019	071	007
28 Nov 2019	071	013
29 Nov 2019	070	006

Bulletin

Solar activity was at very low levels. The Sun was spotless and will most likely remain so. A small active region is rotating over the east limb (SDO/AIA). No earth-directed coronal mass ejections (CMEs) have been observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal values.

Solar activity is expected to remain at very low levels.

Solar wind speed varied between 420 and 380 km/s (ACE). Bz varied between -4 and + 3 nT. The interplanetary magnetic field (phi angle) was mostly directed away from the Sun (positive sector). Geomagnetic activity was at quiet levels (both Kp and K Dourbes).

Geomagnetic activity is expected to be at quiet to unsettled levels. The earth environment is expected to become affected by the wind stream from the negative polarity coronal hole later today or tomorrow, increasing the possibility on an active episode.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 06 Stationen.

Solarindizes für den 26 Nov 2019

Wolf-Zahl Catania	000
10cm Solarflux	070
AK Chambon La Forêt	004
AK Wingst	002
Geschätzer Ap-Wert	002
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 13 Stationen

Zusammenfassung auffälliger Ereignisse

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

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