Prohlížíte si archiv úterý 24. září 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2013 Sep 24 1217 UTC

SIDC Forecast

Sluneční erupce

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Active conditions expected (A>=20 or K=4)

Sluneční protony

Quiet

	10cm flux	Ap
24 Sep 2013	109	017
25 Sep 2013	109	007
26 Sep 2013	109	006

Bulletin

NOAA Active Region 1850 - Catania sunspot region nr 83 was the source of 4 B-flares yesterday and today. The X-ray background radiation is near the bottom of the B-level. We can conclude that flaring activity was low. We don't expect it to rise dramatically. The magnetic field changed direction on September 23. ACE data show today, September 24 an interaction region between a slow and fast solar wind. The total interplanetary magnetic field (IMF) and the density increased. Since the Bz component of the IMF has values below -5nT, the geomagnetic field can slightly be disturbed resulting in possible active conditions: K=4.

Today's estimated international sunspot number (ISN): 046, based on 18 stations.

Solar indices for 23 Sep 2013

Wolf number Catania	079
10cm solar flux	108
AK Chambon La Forêt	010
AK Wingst	006
Estimated Ap	006
Estimated international sunspot number	050 - Based on 27 stations

Noticeable events summary

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

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