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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2015 Feb 09 1318 UTC

Vorhersage des SIDC

Sonneneruptionen

Eruptive (C-class flares expected, probability >=50%)

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
09 Feb 2015	153	007
10 Feb 2015	150	007
11 Feb 2015	150	007

Bulletin

Solar activity was low. Several low level C class flares occurred, originating from NOAA regions 2277, 2280 and 2282. The largest event was a C3.7 flare from NOAA active region (AR) 2282 peaking at 06:07UT. NOAA AR 2280 has shown some growth over the period. AR 2282 has rotated on disk, at approx N15 on the East limb and has shown signs of activity with some flows around 05:30UT. Flaring is expected to continue at C level. No Earth directed CMEs have been observed. Solar wind speed is decreasing, and has decreased from approx 600 km/s to 450 km/s. The density has seen a small increase and there is a small rotation in the magnetic field. We expect quiet geomagnetic conditions to continue.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 059, basierend auf 06 Stationen.

Solarindizes für den 08 Feb 2015

Wolf-Zahl Catania	///
10cm Solarflux	153
AK Chambon La Forêt	021
AK Wingst	010
Geschätzer Ap-Wert	012
Geschätzte internationale Sonnenfleckenzahl	066 - Basierend auf 17 Stationen

Zusammenfassung auffälliger Ereignisse

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

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