Viendo archivo del sábado, 28 abril 2018

Daily bulletin on solar and geomagnetic activity from the SIDC

Emitido: 2018 Apr 28 1230 UTC

SIDC Forecast

Llamarada solar

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

Geomagnetism

Quiet (A<20 and K<4)

Protones solares

Quiet

	10cm flux	Ap
28 Apr 2018	069	007
29 Apr 2018	068	007
30 Apr 2018	067	007

Bulletin

There is one active region on the disc, NOAA AR 2706 with alpha magnetic field configuration. 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 380 km /s with interplanetary magnetic field magnitude of 5 nT. Geomagnetic conditions are quiet and expected to remain so.

Today's estimated international sunspot number (ISN): 000, based on 18 stations.

Solar indices for 27 Apr 2018

Wolf number Catania	///
10cm solar flux	069
AK Chambon La Forêt	010
AK Wingst	006
Estimated Ap	006
Estimated international sunspot number	014 - Based on 19 stations

Noticeable events summary

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

All times in UTC

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