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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2025 Oct 07 1235 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
07 Oct 2025	132	013
08 Oct 2025	130	012
09 Oct 2025	125	012

Slunečně aktivní oblasti a vzplanutí

Solar flaring activity was low over the past 24 hours, with only C-class flares identified. SIDC Sunspot Group 652 (NOAA Active Region [AR] 4233, Alpha magnetic configuration) and SIDC Sunspot Group 653 (NOAA AR 4232, Beta magnetic configuration) produced two flares each. The brightest flare of the last 24 hours was SIDC flare 5689, a C5 on 7 Oct at 11:29 UTC, and is associated with SIDC Sunspot Group 657 (NOAA AR 4236, Beta-Gamma magnetic configuration). More C-class flaring activity is expected in the next 24 hours.

Vyhazování koronální hmoty

No Earth-directed Coronal Mass Ejections (CME) were observed in the last 24 hours.

Solární bouře

The Solar Wind (SW) conditions feature a slow SW regime during the past 24 hours. The SW speed ranged from 370 to 480 km/s, while the interplanetary magnetic field (B) varied between 4 and 10 nT, and its North-South component (Bz) fluctuated between -8 and 6 nT. A similar pattern is expected for the next 24 hours.

Geomagnetismus

During the last 24 hours geomagnetic conditions were both globally and locally quiet to unsettled (NOAA Kp 2- to 3 and K BEL 2 to 3). They are expected to remain at the same level, both globally and locally, for the next 24 hours.

Úrovně protonového toku

The greater than 10 MeV proton flux, as measured by the GOES-19 satellite, was at background levels over the past 24 hours and is likely to remain so in the next 24 hours.

Elektronové toky na geostacionární oběžné dráze

The greater than 2 MeV electron flux as measured by GOES 19 was well above the 1000 pfu threshold during the past 24 hours, with a peak value at 16000 pfu. Although it features a gradual decline, it is expected to remain above the 1000 pfu threshold during the next 24 hours. The 24-hour electron fluence is at high levels since 4 Oct 23:10 UTC but also featured a gradual decline. It is expected to drop to moderate levels within the next 24 hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 125, na základě 09 stanic.

Solární indexy za 06 Oct 2025

Wolfovo číslo Catania	///
10cm sluneční tok	133
AK Chambon La Forêt	013
AK Wingst	006
Odhadovaný Ap	005
Odhadovaný mezinárodní počet slunečních skvrn	150 - Na základě 16 stanic

Souhrn významných událostí

Poskytuje Centrum pro analýzu dat o solárních vlivech© - SIDC - Zpracováno SpaceWeatherLive

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