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Daily bulletin on solar and geomagnetic activity from the SIDC

Существующий: 2013 Jul 29 1246 UTC

SIDC Forecast

Солнечные вспышки

Eruptive (C-class flares expected, probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Солнечные протоны

Quiet

	10cm flux	Ap
29 Jul 2013	107	014
30 Jul 2013	107	011
31 Jul 2013	107	004

Bulletin

X-ray background is in the B-level. A new sunspot group emerged in the northern hemisphere, left to NOAA AR 1801. This new appearance might trigger C-flare activity. The solar wind speed is around 400 km/s. Bz is around -2/3 nT. The geomagnetic index K measured in Dourbes, Belgium reached values up to 4 this morning. We expect although quiet to unsettled conditions for the coming 48 hours.

Today's estimated international sunspot number (ISN): 066, based on 15 stations.

Solar indices for 28 Jul 2013

Wolf number Catania	///
10cm solar flux	109
AK Chambon La Forêt	009
AK Wingst	009
Estimated Ap	008
Estimated international sunspot number	048 - Based on 23 stations

Noticeable events summary

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

Все время в UTC

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