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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2020 Jan 15 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
15 Jan 2020	072	008
16 Jan 2020	072	008
17 Jan 2020	071	006

Bulletin

The visible side of the solar disc is presently spotless. There were no flares reported during last 24 hours and we do not expect flaring activity in the coming hours. The eruption reported yesterday (observed at about 09:55 UT on January 14), from the decaying active region (Catania sunspot group 27) situated at the moment of eruption close to the disc center, was associated with the on- disc signatures of the CME, i.e. coronal dimming and EUV wave. Presently there are only few available coronagraph images from STEREO/COR2 coronagraph and they show presence of the weak and rather narrow CME with the speed of about 200 km/s. The CME is possibly Earth-directed, and it’s arrival, although not very probable, could be late on January 19. During last 24 hours solar protons remained at the background level.

Earth is within the slow solar wind with the speed of 340 km/s and the interplanetary magnetic field magnitude is about 2 nT. Presently geomagnetic conditions are quiet to unsettled and we expect them to stay so in the coming hours.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 13 Stationen.

Solarindizes für den 14 Jan 2020

Wolf-Zahl Catania	000
10cm Solarflux	072
AK Chambon La Forêt	///
AK Wingst	002
Geschätzer Ap-Wert	002
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 15 Stationen

Zusammenfassung auffälliger Ereignisse

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

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