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Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2013 Feb 03 1243 UTC

SIDC Forecast

Сонячні спалахи

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

Geomagnetism

Quiet (A<20 and K<4)

Сонячні протони

Quiet

	10cm flux	Ap
03 Feb 2013	114	007
04 Feb 2013	115	013
05 Feb 2013	115	006

Bulletin

Catania sunspot group 78 (NOAA AR 1665) and 79 (NOAA AR 1667) produced several C-flares since yesterday. The probability for more C-flares is slightly above 50%. The geomagnetic conditions were unsettled. This was probably caused by the small equatorial coronal hole. Another coronal hole in the northern hemisphere at high latitude can cause again unsettled conditions from tomorrow, Feb 4 onwards.

Today's estimated international sunspot number (ISN): 052, based on 08 stations.

Solar indices for 2 Feb 2013

Wolf number Catania	///
10cm solar flux	112
AK Chambon La Forêt	019
AK Wingst	010
Estimated Ap	011
Estimated international sunspot number	047 - Based on 19 stations

Noticeable events summary

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

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