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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2020 May 15 1231 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
15 May 2020	068	006
16 May 2020	070	005
17 May 2020	070	004

Bulletin

The Sun was spotless. Solar activity was at very low levels and is expected to remain so. A small active region may round the northeast limb on 16 May.

The greater than 10 MeV proton flux and the greater than 2 MeV electron flux were at nominal levels during the last 24 hours and are expected to remain so.

No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery.

Solar wind speed varied between 280 and 320 km/s, with Bz varying between -3 and +5 nT (DSCOVR). The direction of the interplanetary magnetic field (phi angle) was mostly oriented away from the Sun (positive sector), being in a negative sector during the 00-03UT interval and briefly around 21UT and 08UT.

Geomagnetic activity was at quiet levels, with unsettled conditions recorded by Dourbes during the 09-12UT interval. Geomagnetic conditions are expected to be mostly quiet with an occasional unsettled episode possible.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 22 Stationen.

Solarindizes für den 14 May 2020

Wolf-Zahl Catania	///
10cm Solarflux	068
AK Chambon La Forêt	007
AK Wingst	004
Geschätzer Ap-Wert	002
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 31 Stationen

Zusammenfassung auffälliger Ereignisse

Zur Verfügung gestellt vom Solar Influences Data Analysis Center© - SIDC - Verarbeitet von SpaceWeatherLive

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