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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2014 Jan 28 1243 UTC

Vorhersage des SIDC

Sonneneruptionen

Active (M-class flares expected, probability >=50%)

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
28 Jan 2014	153	002
29 Jan 2014	156	004
30 Jan 2014	159	001

Bulletin

Solar activity has been at active levels over the last 24 hours. 6 C- and 4 M-class flares were recorded, the strongest reached M4-level and peaked at 22:10UT in NOAA 1967. This region has nearly rounded the southeast limb and was responsible for all 10 flares. These occurred near areas of mixed magnetic polarities to the northeast and south of the big main spot, which is still very close to the limb. NOAA 1968 near the northeast limb is a lot smaller and did not produce flares. The x-ray background flux has been all day above the C1-level. Active conditions are expected to continue, with a slight chance on an X-class flare. The CMEs associated with NOAA 1967's flaring activity were directed to the east and away from Earth. Solar wind speed has been declining to values currently just above 300 km/s, with Bz varying between -5 and +5 nT. Geomagnetic conditions have been quiet and are expected to remain so.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 056, basierend auf 10 Stationen.

Solarindizes für den 27 Jan 2014

Wolf-Zahl Catania	///
10cm Solarflux	144
AK Chambon La Forêt	005
AK Wingst	004
Geschätzer Ap-Wert	003
Geschätzte internationale Sonnenfleckenzahl	055 - Basierend auf 16 Stationen

Zusammenfassung auffälliger Ereignisse

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

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