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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Jul 27 1230 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
27 Jul 2019	068	005
28 Jul 2019	068	007
29 Jul 2019	068	007

Bulletin

The solar activity has been quiet over the past 24 hours. The sun is currently spotless and the X-ray flux remained below B-level. Solar activity is expected to remain at low levels for the next 24 hours.

No Earth directed coronal mass ejections (CME) were observed over the last 24 hours in the available coronagraph imagery. The greater than 10 MeV proton flux remained at background levels over the past 24 hours and is expected to remain at low levels.

The solar wind parameters are at nominal levels indicative of slow solar wind regime (300-3500 km/s). The total interplanetary magnetic field remained below 5 nT, the Bz component varied between -5 nT and +5 nT. The solar wind parameters might show some minor enhancements due to very mild effect of isolated small patchy polar coronal hole wind streams.

Quiet geomagnetic conditions were observed over the past 24 hours. Some short isolated unsettled conditions are possible due to the small coronal hole wind streams.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 16 Stationen.

Solarindizes für den 26 Jul 2019

Wolf-Zahl Catania	///
10cm Solarflux	068
AK Chambon La Forêt	006
AK Wingst	002
Geschätzer Ap-Wert	002
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 33 Stationen

Zusammenfassung auffälliger Ereignisse

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

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