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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2023 Sep 05 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
05 Sep 2023	138	004
06 Sep 2023	140	008
07 Sep 2023	141	006

Slunečně aktivní oblasti a vzplanutí

During last 24 hours number of C-class flares and one M-class flare were reported. The M 2.0 flare which peaked at 08:12 UT this morning was originating from the Catania sunspot group 41 (NOAA AR 3421) which was, together with the Catania sunspot group 39 (NOAA AR 3419), source of the majority of the flaring activity in the last 24 hours. The presently available observations do not show clear on disc signatures of the possibly associated CME (coronal dimming and EIT waves), or the CME in the white light observations. However, since the source region of the flare, the Catania sunspot group 41 (NOAA AR 3421) was at center of the solar disc during the flaring, any wide CME originating from this region would be Earth directed. More will be reported when the data become available. The solar flaring activity is expected to remain on the similar level in the coming hours, with the C-class flares expected and with the isolated M-class flares possible.

Vyhazování koronální hmoty

During last 24 hours there were no Earth directed CMEs detected in the available coronagraph data.

Solární bouře

Earth is still inside the slow solar wind with velocity of about 390 km/s and the interplanetary magnetic field magnitude is around 6 nT.

Geomagnetismus

During last 24 hours the geomagnetic conditions were quiet to unsettled and we expect such a geomagnetic conditions to persist in the coming hours.

Úrovně protonového toku

The greater than 10 MeV proton flux was at the background levels and we do not expect significant change in the coming hours.

Elektronové toky na geostacionární oběžné dráze

The greater than 2 MeV electron flux has continue to fluctuate around the 1000 pfu threshold, and it is expected to stay so in the coming hours. The 24h electron fluence is at moderate to normal level and we expect it will be at normal level in the coming hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 124, na základě 20 stanic.

Solární indexy za 04 Sep 2023

Wolfovo číslo Catania	120
10cm sluneční tok	136
AK Chambon La Forêt	012
AK Wingst	008
Odhadovaný Ap	008
Odhadovaný mezinárodní počet slunečních skvrn	109 - Na základě 36 stanic

Souhrn významných událostí

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

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