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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2017 Nov 02 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
02 Nov 2017	073	010
03 Nov 2017	074	018
04 Nov 2017	076	007

Bulletin

No C-class flares in past 24 h. All ARs have decayed into plages, the Sun is spotless. There is a region rotating into view from the east limb, but it does not seem very active from STEREO observations. The X-ray flux is expected to remain below C level.

No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 h.

Geomagnetic conditions have been quiet (k = 1-2). Solar wind speed has been slowly increasing since last night (but it is still slow, under 400 km/s), together with relatively elevated magnetic fields (reaching 14 nT, with Bz mostly positive). The Earth may only see the northern boundary of the high speed solar wind stream expected from the coronal hole in the southern solar hemisphere, producing only a mild geomagnetic impact. Active conditions can be expected in the next 48 h.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 15 Stationen.

Solarindizes für den 01 Nov 2017

Wolf-Zahl Catania	///
10cm Solarflux	073
AK Chambon La Forêt	008
AK Wingst	004
Geschätzer Ap-Wert	003
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 25 Stationen

Zusammenfassung auffälliger Ereignisse

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

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