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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2013 Sep 23 1304 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
23 Sep 2013	115	006
24 Sep 2013	115	004
25 Sep 2013	115	005

Bulletin

The X-ray background radiation decreased near the bottom of the B-level. The probability for a C flare is low. The geomagnetic conditions are quiet: the total magnetic field is around 5 nT. The solar wind speed is below 400 km/s. We expect the quiet geomagnetic conditions to continue.

Today's estimated international sunspot number (ISN): 052, based on 17 stations.

Solar indices for 22 Sep 2013

Wolf number Catania	///
10cm solar flux	111
AK Chambon La Forêt	///
AK Wingst	005
Estimated Ap	005
Estimated international sunspot number	056 - Based on 20 stations

Noticeable events summary

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

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