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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2013 Jun 11 1232 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
11 Jun 2013	089	007
12 Jun 2013	085	007
13 Jun 2013	082	007

Bulletin

Solar activity was moderate during the past 24 hours, with one noticeable event, a C1.9 flare, occurring in NOAA AR 1765, on June 10, at 14:24 UT peak time. It was accompanied by a small EUV coronal wave and a metric type II burst. Despite a data gap in coronagraphic data from STEREO and SOHO, around the time of the event, there is a hint around 1554 UT (STEREO COR2 A) of a small narrow CME possibly associated with this flare, but it seems to quickly vanish. NOAA AR 1765 decreased both in terms of sunspot number and area, and maintains a simple beta magnetic configuration. Being the only region on the disk, we expect therefore quiet conditions for flares, with a small chance of a C class event from this region. Geomagnetic activity is expected to be low for the next 48 hours. Current interplanetary conditions, as measured by ACE are quiet.

Today's estimated international sunspot number (ISN): 010, based on 11 stations.

Solar indices for 10 Jun 2013

Wolf number Catania	040
10cm solar flux	093
AK Chambon La Forêt	014
AK Wingst	012
Estimated Ap	014
Estimated international sunspot number	016 - Based on 17 stations

Noticeable events summary

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

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