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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2018 May 19 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
19 May 2018	069	007
20 May 2018	069	007
21 May 2018	069	007

Bulletin

No active regions on the visible solar disc. No C-class flares in past 24 h and the situation is not expected to change.

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

The solar wind speed at L1 is at 410 km /s with interplanetary magnetic field magnitude of 4 nT. Geomagnetic conditions have been quiet and are expected to remain so.

Today's estimated international sunspot number (ISN): 000, based on 13 stations.

Solar indices for 18 May 2018

Wolf number Catania	///
10cm solar flux	069
AK Chambon La Forêt	006
AK Wingst	008
Estimated Ap	005
Estimated international sunspot number	000 - Based on 31 stations

Noticeable events summary

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

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