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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2017 Nov 04 1252 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
04 Nov 2017	072	005
05 Nov 2017	072	007
06 Nov 2017	072	007

Bulletin

The spotless Sun was inactive with X-ray flux remaining below B level and this is expected to continue over the next days. Also proton flux levels were at background values and are expected to remain so. No Earth directed CME's were recorded in coronagraph data. A low latitude extension of the northern polar coronal hole (positive polarity) started transiting the central meridian around midnight and may influence Solar wind conditions from November 7 onwards.

Solar wind continued to be slightly enhanced with solar wind speed between 400-450 km/s. total magnetic field was in the 4-7nT range with Bz variable. Solar wind is expected to remain slightly enhanced over the next 24 hours before returning to nominal conditions. By November 7 we may see a renewed increase of solar wind conditions under the possible influence of a high speed stream from the extension of northern polar coronal hole. Geomagnetic conditions were quiet to unsettled (NOAA Kp 1-3 and local K Dourbes 0-3) and are expected to remain so over the next days.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 19 stanic.

Solární indexy za 03 Nov 2017

Wolfovo číslo Catania	///
10cm sluneční tok	073
AK Chambon La Forêt	014
AK Wingst	011
Odhadovaný Ap	009
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 18 stanic

Souhrn významných událostí

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