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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2015 Feb 23 1244 UTC

SIDC Forecast

Sluneční erupce

Eruptive (C-class flares expected, probability >=50%)

Geomagnetism

Active conditions expected (A>=20 or K=4)

Sluneční protony

Quiet

	10cm flux	Ap
23 Feb 2015	118	017
24 Feb 2015	118	011
25 Feb 2015	118	007

Bulletin

Solar activity has been low, only minor C-class flares in past 24 h. The strongest flare was a C1.1 event from NOAA AR 2288 with peak at 00:26 UT. All active regions on the solar disk have very simple magnetic configuration so the situation is not expected to change in the coming hours. The Earth is under the influence of a coronal hole related solar wind, with relatively low speeds (about 400 km/s). Conditions are unsettled and expected to remain so, with possible isolated active periods.

Today's estimated international sunspot number (ISN): 034, based on 12 stations.

Solar indices for 22 Feb 2015

Wolf number Catania	///
10cm solar flux	118
AK Chambon La Forêt	013
AK Wingst	008
Estimated Ap	007
Estimated international sunspot number	031 - Based on 12 stations

Noticeable events summary

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

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