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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2020 Sep 10 1230 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
10 Sep 2020	069	001
11 Sep 2020	070	002
12 Sep 2020	070	002

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 and expected to remain so. The greater than 2 MeV electron flux reached moderate levels, with a maximum of 4360 pfu at 15:55UT. The electron flux is expected to be at moderate levels.

No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery.

Solar wind speed varied between 270 and 300 km/s (DSCOVR). Bz varied between -4 and +4 nT. The direction of the interplanetary magnetic field (phi angle) was predominantly towards the Sun (negative sector).

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

Today's estimated international sunspot number (ISN): 000, based on 25 stations.

Solar indices for 09 Sep 2020

Wolf number Catania	000
10cm solar flux	070
AK Chambon La Forêt	003
AK Wingst	001
Estimated Ap	002
Estimated international sunspot number	000 - Based on 29 stations

Noticeable events summary

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

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