Prohlížíte si archiv čtvrtek 18. září 2014

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2014 Sep 18 1331 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Warning condition (activity levels expected to increase, but no numeric forecast given)

	10cm flux	Ap
18 Sep 2014	125	007
19 Sep 2014	123	007
20 Sep 2014	120	007

Bulletin

NOAA AR 2169 produced an M1.2 flare with peak at 08:41 UT, with an associated Type II radio burst produced by a shock with estimated velocity of 537 km/s. No CME is visible yet in coronagraph images, but more data is needed yet to rule out a possible CME (due to the location of the source region, a CME would most probably not be geoeffective). A partial halo CME was seen yesterday at 17:37 UT off the northeastern limb of the Sun, this is a backsided event that will not affect the Earth. Geomagnetic conditions are quiet and expected to remain so.

Today's estimated international sunspot number (ISN): 060, based on 13 stations.

Solar indices for 17 Sep 2014

Wolf number Catania	///
10cm solar flux	125
AK Chambon La Forêt	010
AK Wingst	007
Estimated Ap	006
Estimated international sunspot number	088 - Based on 24 stations

Noticeable events summary

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

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