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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2017 Feb 06 1253 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
06 Feb 2017	073	007
07 Feb 2017	075	013
08 Feb 2017	077	007

Bulletin

Solar activity has been very low, no C-class flares in past 24 h. Two simple (alpha magnetic field configuration) active regions visible on the disk, C-class flares are possible.

No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 hours.

Geomagnetic conditions have reached K=4 overnight due to the effect of a high speed stream. Solar wind speed is now at 570 km/s with interplanetary magnetic fields of 3 nT. There is a small equatorial coronal hole which may affect the Earth within 48 h. Geomagnetic conditions may reach K = 4 again.

Today's estimated international sunspot number (ISN): 012, based on 12 stations.

Solar indices for 05 Feb 2017

Wolf number Catania	///
10cm solar flux	073
AK Chambon La Forêt	023
AK Wingst	018
Estimated Ap	018
Estimated international sunspot number	015 - Based on 11 stations

Noticeable events summary

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

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