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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2013 Jan 18 1146 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
18 Jan 2013	120	007
19 Jan 2013	119	007
20 Jan 2013	115	016

Bulletin

Solar activity has been quiet with only two small C flares with the largest one a C2.5 flare originating from NOAA 1652. Solar activity is expected to remain quiet with possibly an isolated C flare. Geomagnetic activity reached storm level on January 17th between 15:00 UT and 18:00 UT. Ace IMF data of this period shows a jump of the magnetic field strength from 5 nT to 15 nT with a negative Bz component. There was no shock detected in the ACE solar wind data. This geomagnetic activity is likely related to the slow CME of Sunday January 13th 13:00 UT (as seen in LASCO C2). Geomagnetic activity is possible to rise in the night of January 19th- 20th due to the CME of January 16th 19:12 UT (as seen in LASCO C2).

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 028, basierend auf 03 Stationen.

Solarindizes für den 17 Jan 2013

Wolf-Zahl Catania	///
10cm Solarflux	123
AK Chambon La Forêt	026
AK Wingst	016
Geschätzer Ap-Wert	017
Geschätzte internationale Sonnenfleckenzahl	042 - Basierend auf 10 Stationen

Zusammenfassung auffälliger Ereignisse

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

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