Prohlížíte si archiv úterý 24. února 2015

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2015 Feb 24 1259 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
24 Feb 2015	117	028
25 Feb 2015	117	015
26 Feb 2015	117	007

Bulletin

Solar activity has been low. A C1.4 flare was detected today peaking at 10:57 UT, related to a filament eruption on the southeast limb of the Sun. No coroagraph data is available yet to observe an associated CME. The visible active regions have simple magnetic configuration (beta) and are not expected to produce more than C-class flaring. An active region rotating now over the east limb may increase activity levels in the coming hours. Geomagnetic activity reached active levels locally (K at Dourbes = 4, with Kp reaching 5) due to the fast solar wind from a coronal hole. Unsettled to active conditions can be expected in the next 24h.

Today's estimated international sunspot number (ISN): 037, based on 07 stations.

Solar indices for 23 Feb 2015

Wolf number Catania	///
10cm solar flux	117
AK Chambon La Forêt	048
AK Wingst	018
Estimated Ap	020
Estimated international sunspot number	038 - Based on 18 stations

Noticeable events summary

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

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