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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2015 May 04 1230 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
04 May 2015	111	007
05 May 2015	112	007
06 May 2015	114	014

Bulletin

Solar activity has been dominated by NOAA AR 2335 which produced several C-class flares in past 24h. The strongest one was a C8.0 with peak at 00:52 UT. More C-class flares can be expected, with low chances of M-class flaring. There was a halo CME first seen at 10:48 UT on LASCO-C2 (after a data gap), preliminary data show that this is a backsided event, not supposed to affect the Earth.

Geomagnetic conditions have been quiet and are expected to remain so.

Today's estimated international sunspot number (ISN): 075, based on 15 stations.

Solar indices for 03 May 2015

Wolf number Catania	///
10cm solar flux	111
AK Chambon La Forêt	011
AK Wingst	010
Estimated Ap	010
Estimated international sunspot number	037 - Based on 15 stations

Noticeable events summary

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

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