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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2017 Oct 06 1230 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
06 Oct 2017	083	010
07 Oct 2017	081	015
08 Oct 2017	078	006

Bulletin

Solar activity was at low levels. NOAA 2683 (Catania 57) produced several low-level B-class flares and an isolated C1 flare peaking on 05 October at 13:41UT. The region has lost most of its opposite polarity spots south of the main spot. NOAA 2682 (Catania 56) showed some activity north of its main spot from 08UT onwards (x-ray flux enhancement, no flare). No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels.

Quiet flaring conditions are expected, with a small chance on another isolated C-class flare.

Solar wind speed continued its gradual increase from its initial 370 km/s to current values around 450 km/s (DSCOVR). Bz oscillated between -8 and +7 nT, being predominantly negative during the 19UT-03UT interval. The interplanetary magnetic field was mostly directed towards the Sun.

The geomagnetic field was at quiet to unsettled levels, and is expected to remain so. The particle stream associated with a small negative equatorial coronal hole is still expected to arrive at Earth, either later today or tomorrow 07 October. This may increase the likelihood on an active geomagnetic episode.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 025, na základě 24 stanic.

Solární indexy za 05 Oct 2017

Wolfovo číslo Catania	///
10cm sluneční tok	085
AK Chambon La Forêt	013
AK Wingst	008
Odhadovaný Ap	007
Odhadovaný mezinárodní počet slunečních skvrn	029 - Na základě 26 stanic

Souhrn významných událostí

Poskytuje Centrum pro analýzu dat o solárních vlivech© - SIDC - Zpracováno SpaceWeatherLive

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