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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2017 Jun 05 1231 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
05 Jun 2017	081	006
06 Jun 2017	081	007
07 Jun 2017	079	007

Bulletin

Beta region NOAA AR 2661 produced a C2.7 flare peaking at 5:31 UT on June 5. Solar Demon detected the flare and an associated dimming. A new region near 80W20N showed flux and sunspot emergence and released a C1.2 flare which peaked at 9:55 UT on June 5 (along with several high B flares). Low solar activity (C flaring) is expected in the next 24 hours. No Earth directed CMEs have been observed in available coronagraph images. Proton flux levels are at background values and are expected to remain so. Solar wind speed measured by DSCOVR decreased from about 410 to 330 km/s in the past 24 hours, while the magnitude of the Interplanetary Magnetic Field (IMF) varied between about 3 and 5 nT. Quiet geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp between 0 and 2) were registered in the past 24 hours. Quiet to unsettled levels (K Dourbes < 4) are expected on June 5, 6 and 7.

Today's estimated international sunspot number (ISN): 034, based on 15 stations.

Solar indices for 04 Jun 2017

Wolf number Catania	///
10cm solar flux	078
AK Chambon La Forêt	006
AK Wingst	003
Estimated Ap	002
Estimated international sunspot number	026 - Based on 29 stations

Noticeable events summary

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

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