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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2017 Jan 12 1236 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
12 Jan 2017	075	007
13 Jan 2017	076	007
14 Jan 2017	078	007

Bulletin

Solar activity has been very low, no C-class flares in past 24h, an active region rotating into view from the eastern limb may increase activity.

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 ranged between K=2 and K=3. Solar wind speed is now at 390 km/s with interplanetary magnetic fields of 5 nT. There is a small equatorial coronal hole that could still affect the Earth today, but K is not expected to go above 4.

Today's estimated international sunspot number (ISN): 011, based on 12 stations.

Solar indices for 11 Jan 2017

Wolf number Catania	///
10cm solar flux	075
AK Chambon La Forêt	014
AK Wingst	012
Estimated Ap	010
Estimated international sunspot number	000 - Based on 23 stations

Noticeable events summary

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

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