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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2019 Jan 28 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
28 Jan 2019	074	007
29 Jan 2019	073	007
30 Jan 2019	071	011

Bulletin

No C-class flares in past 24 h. Solar activity is expected to remain at low levels with a possibility of isolated C-class flares from NOAA AR 2733 (beta magnetic field configuration).

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

The solar wind speed is at 390 km/s with interplanetary magnetic fields of 4 nT. Geomagnetic conditions have been quiet. The fast solar wind associated with a negative polarity equatorial coronal hole is expected to arrive to the Earth late on January 30. Quiet conditions are expected until then.

Today's estimated international sunspot number (ISN): 017, based on 18 stations.

Solar indices for 27 Jan 2019

Wolf number Catania	///
10cm solar flux	074
AK Chambon La Forêt	007
AK Wingst	006
Estimated Ap	004
Estimated international sunspot number	024 - Based on 12 stations

Noticeable events summary

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

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