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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2015 Jul 28 1230 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
28 Jul 2015	100	007
29 Jul 2015	102	007
30 Jul 2015	104	007

Bulletin

Solar activity is low, no C-class flares in past 24 h. NOAA AR 2390 has now a beta-gamma configuration of its magnetic field, and can therefore produce C-class, and even (although not likely) M-class flares.

Geomagnetic conditions have ranged from quiet to unsettled, with solar wind speeds around 450 km/s and interplanetary magnetic field magnitudes of 5 nT. Similar conditions are expected for the coming 48 h.

Today's estimated international sunspot number (ISN): 063, based on 18 stations.

Solar indices for 27 Jul 2015

Wolf number Catania	063
10cm solar flux	100
AK Chambon La Forêt	015
AK Wingst	010
Estimated Ap	011
Estimated international sunspot number	055 - Based on 28 stations

Noticeable events summary

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

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