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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2026 Feb 10 1238 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
10 Feb 2026	133	008
11 Feb 2026	129	012
12 Feb 2026	124	011

Solaraktive Regionen und Flares

Solar flaring activity was low over the past 24 hours, with only C-class flares identified. The largest flare was a C9.2 flare (SIDC Flare 6999) peaking on February 09 at 23:02 UTC, which was produced by SIDC Sunspot Group 762 (NOAA Active Regions 4342, 4374). A total of 8 numbered sunspot groups were identified on the disk over the past 24 hours. SIDC Sunspot Group 784 (NOAA Active Region 4366) is the largest region on disk, the most magnetically complex (Beta-Gamma-Delta) and produced most of the flaring activity in the last 24 hours. This region is rotating over the western limb off the visible solar disk. Solar flaring activity is expected to be low over the next 24 hours, with C-class flares very likely and a chance for M-class flares.

Koronaler Massenauswurf

No Earth directed CMEs were observed in the past 24 hours.

Sonnenwind

Slow solar wind conditions were recorded over the past 24 hours. The solar wind speed ranged from 360 km/s to 474km /s. The total interplanetary magnetic field ranged from 5 to 9 nT, with the Bz reaching a minimum of -7 nT. The phi-angle was mainly in the negative sector (directed towards the Sun), with periods in the positive sector. In the next 24 hours, a slow solar wind regime is expected.

Geomagnetismus

The geomagnetic conditions were quiet globally (Kp 1-2) and quiet to unsettled locally (K BEL 1-3) in the last 24 hours. Quiet to unsettled conditions are expected in the next 24 hours.

Protonenflusswerte

The greater than 10 MeV GOES proton flux was at background levels and is expected to remain at background levels over the next 24 hours.

Elektronenflüsse im geostationären Orbit

The greater than 2 MeV electron flux, as measured by the GOES-19 satellite was above the 1000 pfu threshold between 12:55 UTC and 19:15 UTC on February 09. The 2 MeV electron flux is expected to cross the threshold again during the next 24 hour. The 24-hour electron fluence was at moderate levels and is expected to remain at moderate levels over the next 24 hours.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 113, basierend auf 03 Stationen.

Solarindizes für den 09 Feb 2026

Wolf-Zahl Catania	156
10cm Solarflux	144
AK Chambon La Forêt	012
AK Wingst	008
Geschätzer Ap-Wert	007
Geschätzte internationale Sonnenfleckenzahl	117 - Basierend auf 10 Stationen

Zusammenfassung auffälliger Ereignisse

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

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