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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2025 Oct 09 1231 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
09 Oct 2025	117	010
10 Oct 2025	110	007
11 Oct 2025	105	004

Slunečně aktivní oblasti a vzplanutí

Solar flaring activity was low over the past 24 hours, with only two C1 flares identified. They were emitted by SIDC Sunspot Group 661 (NOAA Active Region [AR] 4241, Beta magnetic configuration) and SIDC Sunspot Group 663 (NOAA AR 4242, Beta magnetic configuration). A limited number of low-intensity C-class flares 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 appear to be affected by a glancing blow that arrived in the first half of 9 Oct. It is probably associated with the SIDC CME 577 that was launched on 5 Oct at 03:25 UTC. The SW speed ranged from 320 to 430 km/s, while the interplanetary magnetic field (B) varied between 4 and 15 nT, and its North-South component (Bz) fluctuated between -6 and 13 nT. The SW speed is expected to remain at the same level and the magnetic field is expected to slowly drop in the next 24 hours.

Geomagnetismus

During the last 24 hours geomagnetic conditions were both globally and locally quiet to unsettled (NOAA Kp 1- to 3- and K BEL 1 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

Over the last 24 hours the greater than 2 MeV electron flux, as measured by GOES 19, was above the 1000 pfu alert threshold until 8 Oct 22:00 UTC, with a peak value at 5000 pfu. In the next 24 hours it is expected to remain below the 1000 pfu alert threshold. The 24-hour electron fluence was at moderate levels during the past 24 hours. It is expected to drop further and reach normal levels in the next 24 hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 060, na základě 13 stanic.

Solární indexy za 08 Oct 2025

Wolfovo číslo Catania	060
10cm sluneční tok	120
AK Chambon La Forêt	009
AK Wingst	010
Odhadovaný Ap	011
Odhadovaný mezinárodní počet slunečních skvrn	073 - Na základě 19 stanic

Souhrn významných událostí

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

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