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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2013 Apr 27 1102 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
27 Apr 2013	122	007
28 Apr 2013	122	007
29 Apr 2013	122	007

Bulletin

Flaring activity is expected to decrease as NOAA AR 1726 (Cat 51) is rotating further behind the limb. NOAA AR 1731 is relatively quiet up till now, despite a beta-gamma configuration. We are still inside a speed solar wind stream but most of the resulting geomagnetic activity is behind us. Quiet geomagnetic conditions are expected in the coming days.

Today's estimated international sunspot number (ISN): 075, based on 09 stations.

Solar indices for 26 Apr 2013

Wolf number Catania	///
10cm solar flux	122
AK Chambon La Forêt	024
AK Wingst	018
Estimated Ap	020
Estimated international sunspot number	076 - Based on 17 stations

Noticeable events summary

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

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