Prohlížíte si archiv čtvrtek 11. května 2017

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2017 May 11 1230 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
11 May 2017	067	011
12 May 2017	065	009
13 May 2017	066	006

Bulletin

There are presently no active regions on the visible side of the Sun, and accordingly solar activity is low (without reported flares). We expect very low level of solar activity to persist in the coming hours. Coronagraph observations do not show any Earth directed CMEs observed in the past 24 hours.

During last 24 hours the solar wind speed was fluctuating between 420 and 350 km/s, and its present value is about 370 km/s. The interplanetary magnetic field magnitude has the value of about 8nT. The geomagnetic conditions were quiet to unsettled and we expect them to stay so in the coming hours.

Due to very low solar and geomagnetic activity we maintain the all quiet alert (issued on April 30).

Today's estimated international sunspot number (ISN): 000, based on 19 stations.

Solar indices for 10 May 2017

Wolf number Catania	000
10cm solar flux	069
AK Chambon La Forêt	011
AK Wingst	008
Estimated Ap	006
Estimated international sunspot number	000 - Based on 35 stations

Noticeable events summary

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

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