Перегляд архіву пʼятниця, 13 вересня 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2013 Sep 13 1245 UTC

SIDC Forecast

Сонячні спалахи

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

Geomagnetism

Quiet (A<20 and K<4)

Сонячні протони

Quiet

	10cm flux	Ap
13 Sep 2013	093	007
14 Sep 2013	092	007
15 Sep 2013	091	007

Bulletin

Solar activity is very low, no C-class flares in past 7 days. There are five numbered active regions on the solar disc today, none is expected to produce important flares. The coronal hole fast solar wind arrived around 18:00 UT on September 12. It produced only unsettled conditions. Quiet to unsettled conditions are expected for the next 48h.

Today's estimated international sunspot number (ISN): 026, based on 13 stations.

Solar indices for 12 Sep 2013

Wolf number Catania	///
10cm solar flux	093
AK Chambon La Forêt	013
AK Wingst	008
Estimated Ap	007
Estimated international sunspot number	036 - Based on 13 stations

Noticeable events summary

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

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