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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2020 Sep 20 1230 UTC

SIDC Předpověď

Sluneční erupce

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
20 Sep 2020	072	004
21 Sep 2020	073	004
22 Sep 2020	073	004

Bulletin

The Sun is spotless and no flares were observed in the past 24 hours. The loop tops of a backside Active Region are emerging on the East limb. The chance for a C flare in the next 24 hours is estimated at 5%.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours. The greater than 2 MeV electron flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours.

Solar wind speed near Earth as registered by DSCOVR varied between about 270 and 315 km/s in the past 24 hours. The Interplanetary Magnetic Field (IMF) was oriented away from the Sun until 19:07 UT on September 19, when it got oriented towards the Sun. The IMF magnitude varied between about 0 and 6 nT and Bz was never below -5 nT. Quiet solar wind conditions are expected in the next 24 hours.

Quiet geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp between 0 and 2) were registered in the past 24 hours. Quiet to unsettled geomagnetic levels (K Dourbes < 4) are expected on September 20, 21 and 22.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 20 stanic.

Solární indexy za 19 Sep 2020

Wolfovo číslo Catania	///
10cm sluneční tok	071
AK Chambon La Forêt	005
AK Wingst	003
Odhadovaný Ap	002
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 33 stanic

Souhrn významných událostí

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

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