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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2020 May 16 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
16 May 2020	069	003
17 May 2020	070	005
18 May 2020	070	007

Bulletin

The Sun was spotless. Solar activity was at very low levels. A small active region (AR) is expected to round the northeast limb later today. There's also a smaller AR at the southeast limb. Solar activity is expected to stay at very low levels, with a small chance on a C-class flare.

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 mostly between 300 and 330 km/s, with Bz varying between -3 and +3 nT (DSCOVR). The direction of the interplanetary magnetic field (phi angle) was in a predominately positive sector (away from the Sun).

Geomagnetic activity was at quiet levels. Geomagnetic conditions are expected to be mostly quiet with an occasional unsettled episode possible.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 19 Stationen.

Solarindizes für den 15 May 2020

Wolf-Zahl Catania	///
10cm Solarflux	068
AK Chambon La Forêt	///
AK Wingst	003
Geschätzer Ap-Wert	004
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 27 Stationen

Zusammenfassung auffälliger Ereignisse

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

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