Prohlížíte si archiv sobota 5. září 2015

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2015 Sep 05 1230 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

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

Sluneční protony

Quiet

	10cm flux	Ap
05 Sep 2015	090	013
06 Sep 2015	092	017
07 Sep 2015	094	007

Bulletin

Solar activity has been very low in past 24 h, no flares above the B level. C-class flares remain possible. A partial halo CME (angular width around 120 degrees) erupted on September 4 (first seen at 19:24 UT by LASCO-C2), it originated from a filament eruption. It's slow (210 km/s), faint and directed southwards, but an encounter with the Earth cannot be discarded and may occur on September 9. Geomagnetic conditions are unsettled. The effect from the fast speed stream is fading out, conditions are expected to be quiet to unsettled. Nevertheless, the fast speed stream from a high latitude (northern) coronal hole may arrive to the Earth in 24 to 48 h creating more active periods.

Today's estimated international sunspot number (ISN): 026, based on 16 stations.

Solar indices for 04 Sep 2015

Wolf number Catania	///
10cm solar flux	090
AK Chambon La Forêt	020
AK Wingst	020
Estimated Ap	024
Estimated international sunspot number	038 - Based on 21 stations

Noticeable events summary

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

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