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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2018 Jan 11 1230 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
11 Jan 2018	071	004
12 Jan 2018	070	007
13 Jan 2018	078	011

Bulletin

There are presently two small and simple sunspot groups on the visible side of the Sun, Catania sunspot group 68 and Catania sunspot group 69 (NOAA AR 2694). Solar activity is extremely low, and there were no C-class flares reported for more than ten days. We do not expect significant change in the level of flaring activity. During last 24 hours there were no Earth directed CMEs reported, and the solar protons remained at background level.

Solar wind speed is 410 km/s, and the interplanetary magnetic field magnitude is about 4 nT. The geomagnetic conditions are presently quiet and we expect them to stay so in the coming hours.

Today's estimated international sunspot number (ISN): 011, based on 07 stations.

Solar indices for 10 Jan 2018

Wolf number Catania	///
10cm solar flux	070
AK Chambon La Forêt	006
AK Wingst	003
Estimated Ap	003
Estimated international sunspot number	021 - Based on 12 stations

Noticeable events summary

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

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