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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2015 May 25 1230 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
25 May 2015	096	009
26 May 2015	096	008
27 May 2015	096	008

Bulletin

Solar activity was very low with a background X-ray flux at lower B-level and no C-class flares in the past 24 hours. At most low C-class flares are expected. A few long filaments are visible (one centered at S30W20 and one at N15E25), but yet show no sign of an upcoming eruption. No Earth-bound CMEs were observed. Earth is inside a slow solar wind with a magnetic field of maximal magnitude 5 nT. Geomagnetic activity is quiet (local K at Dourbes and estimated planetary NOAA Kp <4) and is expected to remain so in the next 24 hours.

Today's estimated international sunspot number (ISN): 046, based on 16 stations.

Solar indices for 24 May 2015

Wolf number Catania	///
10cm solar flux	099
AK Chambon La Forêt	007
AK Wingst	005
Estimated Ap	005
Estimated international sunspot number	054 - Based on 26 stations

Noticeable events summary

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

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