Het archief bekijken van dinsdag 8 september 2020

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2020 Sep 08 1230 UTC

SIDC Prognose

Zonnevlammen

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

Geomagnetisme

Quiet (A<20 and K<4)

Proton Flux monitor

Quiet

	10cm flux	Ap
08 Sep 2020	070	003
09 Sep 2020	070	003
10 Sep 2020	070	003

Bulletin

The Sun was spotless. Solar activity was at very low levels and is expected to remain so.

The greater than 10 MeV proton flux was at nominal levels. The greater than 2 MeV electron flux reached high levels, with a maximum of 10200 pfu at 16:00UT. The 24h electron fluence was at moderate levels. There's a chance that the electron flux and 24h fluence reach high levels during the next 24 hours.

No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery. A slow CME (186 km/s) first observed by LASCO/C2 on 7 September at 21:24UT seemed to have its source at or just beyond the west limb and has apparently no earth-directed component.

Solar wind speed was on a declining trend, from about 370 km/s initially to 315 km/s at the end of the period (DSCOVR). Bz was steady between -3 and +3 nT. The interplanetary magnetic field (phi angle) was predominantly directed away from the Sun (positive sector).

Geomagnetic activity was at quiet levels and is expected to remain so.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 000, gebaseerd op 18 stations.

Zon indexen voor 07 Sep 2020

Wolfgetal Catania	///
10cm zonneflux	070
AK Chambon La Forêt	006
AK Wingst	004
Geschatte Ap	003
Geschat internationaal zonnevlekkengetal	000 - Gebaseerd op 28 stations

Overzicht opvallende gebeurtenissen

Aangeboden door het Solar Influences Data Analysis Center© - SIDC - Verwerkt door SpaceWeatherLive

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