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Daily bulletin on solar and geomagnetic activity from the SIDC

Emitido: 2018 Jan 29 1230 UTC

SIDC Forecast

Llamarada solar

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

Geomagnetism

Quiet (A<20 and K<4)

Protones solares

Quiet

	10cm flux	Ap
29 Jan 2018	069	007
30 Jan 2018	069	017
31 Jan 2018	070	007

Bulletin

Solar activity was low, no C-class flares in past 24 h. The situation is not expected to change, as there are no active regions on disk.

Proton flux levels are at background values and are expected to remain so. No Earth-directed CMEs were observed.

Solar wind speed is at 345 km/s with interplanetary magnetic field magnitude of 6 nT. Geomagnetic conditions have been quiet to unsettled and are expected to remain so. Isolated active periods are possible in the next 48 h, due to the possible arrival of moderately fast solar wind streams associated with diffuse coronal holes.

Today's estimated international sunspot number (ISN): 000, based on 12 stations.

Solar indices for 28 Jan 2018

Wolf number Catania	///
10cm solar flux	069
AK Chambon La Forêt	009
AK Wingst	005
Estimated Ap	004
Estimated international sunspot number	000 - Based on 23 stations

Noticeable events summary

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

All times in UTC

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