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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2015 Jan 19 1259 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
19 Jan 2015	126	010
20 Jan 2015	128	010
21 Jan 2015	132	010

Bulletin

Solar activity continues to be very low with only few minor C-class flares in past 24h. NOAA AR 2259 produced the strongest one, a C1.3 flare with peak at 10:13 UT. An AR rotating now over the east limb may rise activity levels in the coming hours. Geomagnetic conditions are quiet and expected to remain so. There are a couple of small equatorial coronal holes that may cause the arrival of a fast speed stream to the Earth today or tomorrow and increase geomagnetic conditions (probably not more than active conditions).

Today's estimated international sunspot number (ISN): 052, based on 14 stations.

Solar indices for 18 Jan 2015

Wolf number Catania	///
10cm solar flux	126
AK Chambon La Forêt	010
AK Wingst	004
Estimated Ap	004
Estimated international sunspot number	044 - Based on 17 stations

Noticeable events summary

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

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