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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2020 Jan 14 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
14 Jan 2020	071	007
15 Jan 2020	071	009
16 Jan 2020	070	006

Bulletin

Solar activity is very low and there were no flares reported during last 24 hours. We expect such a low level of flaring activity to persist in the coming hours. However, the eruption was observed at about 09:55 UT this morning from the decaying active region (Catania sunspot group 27) situated close to the disc center. Although no flares were reported the well-defined coronal dimming and the associated EIT wave indicate existence of the associated CME. As the eruption appeared close to the solar disc center, the associated CME is possibly Earth directed. More will be reported when coronagraph data become available. The solar protons remained at the background level.

Earth is still within the slow solar wind with the speed of about 290 km/s and the interplanetary magnetic field magnitude is 5 nT. The solar wind originating from the positive polarity coronal hole (reached the central meridian on January 10), might arrive to Earth in the coming hours and induce the unsettled conditions. Presently geomagnetic conditions are quiet and we expect them to stay so in the coming hours.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 11 Stationen.

Solarindizes für den 13 Jan 2020

Wolf-Zahl Catania	000
10cm Solarflux	072
AK Chambon La Forêt	///
AK Wingst	003
Geschätzer Ap-Wert	002
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 22 Stationen

Zusammenfassung auffälliger Ereignisse

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

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