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Daily bulletin on solar and geomagnetic activity from the SIDC

Emitido: 2015 Aug 11 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
11 Aug 2015	101	010
12 Aug 2015	097	010
13 Aug 2015	095	010

Bulletin

Solar activity remains to be very low with only B-class flares reported during the last 24 hours. The only large sunspot group visible on the solar disc, NOAA AR 2396 is decaying but it still has potential to be the source of the B-class flares and possibly also an isolated C-class flare. No Earth directed CMEs were observed during last 24 hours.

The Earth is inside the slow solar wind with the speed of about 440 km/s. The interplanetary magnetic field magnitude was fluctuating, between 5 and 10nT, during the last 10 hours and its current value is about 5nT. The geomagnetic conditions are presently quiet and we expect them to remain so in the coming hours.

Today's estimated international sunspot number (ISN): 080, based on 21 stations.

Solar indices for 10 Aug 2015

Wolf number Catania	///
10cm solar flux	106
AK Chambon La Forêt	017
AK Wingst	010
Estimated Ap	011
Estimated international sunspot number	064 - Based on 30 stations

Noticeable events summary

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

All times in UTC

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