Просмотр архива за суббота, 10 августа 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Существующий: 2013 Aug 10 1206 UTC

SIDC Forecast

Солнечные вспышки

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

Geomagnetism

Quiet (A<20 and K<4)

Солнечные протоны

Quiet

	10cm flux	Ap
10 Aug 2013	104	007
11 Aug 2013	102	014
12 Aug 2013	100	011

Bulletin

There are currently 4 numbered AR on the solar disk. A solitary C2.0 flare occured on August 9th around 20:10 UT from an unnumbered AR on the East limb. A small increased solar wind speed up to 480 km/s was detected by ACE, probably due to a very small coronal hole which was associated with a passing of the current sheet. Geomagnetic where quiet and are expected to remain so for the next 24 hours. In the night of August 11th-August 12th we expect active conditions due to the arrival of the CME of August 7th.

Today's estimated international sunspot number (ISN): 046, based on 11 stations.

Solar indices for 09 Aug 2013

Wolf number Catania	067
10cm solar flux	104
AK Chambon La Forêt	///
AK Wingst	008
Estimated Ap	009
Estimated international sunspot number	045 - Based on 17 stations

Noticeable events summary

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

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