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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2016 Dec 17 1230 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
17 Dec 2016	073	005
18 Dec 2016	072	012
19 Dec 2016	071	005

Bulletin

The only numbered sunspot group, NOAA AR 2618, is decaying while approaching the west solar limb. The last reported flare B2.1 (originating from the NOAA AR 2617) was more than 24 hours ago. We expect solar activity to remain on the same, very low level. No Earth directed CMEs were observed in the last 24 hours.

The Earth is still inside the slow solar wind with the speed of about 370 km/s, and the interplanetary magnetic field is 5nT. The fast solar wind associated with the low latitude extend of the northern polar coronal hole which reached central meridian in the afternoon of December 15, is expected to arrive at the Earth late on December 18, or early on December 19. The geomagnetic conditions are presently quiet. We expect quiet to possibly unsettled conditions in the coming hours.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 012, basierend auf 08 Stationen.

Solarindizes für den 16 Dec 2016

Wolf-Zahl Catania	///
10cm Solarflux	073
AK Chambon La Forêt	004
AK Wingst	002
Geschätzer Ap-Wert	002
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 20 Stationen

Zusammenfassung auffälliger Ereignisse

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

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