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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2013 May 27 1309 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
27 May 2013	120	012
28 May 2013	124	005
29 May 2013	124	011

Bulletin

Solar activity has been low with two minor C-class flares in the last 24 hours and is expected to remain so for the next 48 hours. There is still a slight chance for a M-class flare. The proton flux is again at low levels and is expected to remain so for the next 48 hours. The solar wind speed measured by ACE currently is variable with values between 600 and 750 km/s. The magnitude of the interplanetary magnetic field is stable at 5 nT. Current geomagnetic conditions are quiet and expected to remain so for the next 48 hours.

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

Solar indices for 26 May 2013

Wolf number Catania	///
10cm solar flux	120
AK Chambon La Forêt	028
AK Wingst	022
Estimated Ap	023
Estimated international sunspot number	066 - Based on 19 stations

Noticeable events summary

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

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