Archiv von Montag, 31 Dezember 2018 anzeigen

Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Dec 31 1249 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
31 Dec 2018	069	008
01 Jan 2019	069	008
02 Jan 2019	069	007

Bulletin

Solar activity remained at very low levels. The Sun was spotless. No earth-directed coronal mass ejections (CMEs) were observed over the last 24 hours. The greater than 10 MeV proton flux was at nominal values. A negative polarity equatorial coronal hole (CH) started its transit of the central meridian yesterday. Solar activity is expected to remain at very low levels. Solar wind speed gradually decreased from about 560 till 460 km/s (DSCOVR). Bz varied between -5.8 and +5 nT. The interplanetary magnetic field was directed away from the Sun (positive sector). Geomagnetic activity ranged from quiet to unsettled conditions. Quiet to unsettled geomagnetic conditions are expected.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 10 Stationen.

Solarindizes für den 30 Dec 2018

Wolf-Zahl Catania	///
10cm Solarflux	069
AK Chambon La Forêt	018
AK Wingst	///
Geschätzer Ap-Wert	012
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 18 Stationen

Zusammenfassung auffälliger Ereignisse

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

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