Vaata reede, 20 september 2013 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2013 Sep 20 1202 UTC

SIDC ennustus

Päikesepursked ehk loited

Eruptive (C-class flares expected, probability >=50%)

Geomagnetism

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

Päikese prootonid

Quiet

	10 cm vool	Ap
20 Sep 2013	109	010
21 Sep 2013	113	007
22 Sep 2013	115	014

Bülletään

There are currently nine numbered sunspot groups on the solar disc, and three of them have beta configuration of the photospheric magnetic field. Three low C-class level flares were reported during last 24 hours and all originated from the same NOAA AR 1850, which just turned from behind the east solar limb. We expect more flaring activity at the C-class level. The M-class flares are possible but not very probable. The solar wind speed is about 480 km/s and slowly decreasing, and the interplanetary magnetic field magnitude is stable amounting about 3 nT. The geomagnetic conditions are at the moment quiet. We expect quiet to active geomagnetic conditions in the following 48 hours due to the arrival of a fast flow (in the morning of September 22), associated with the low-latitude coronal hole in the northern hemisphere.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 062, põhineb 12 jaamadel.

Päikese indeksid 19 Sep 2013

Catania Wolfi number	094
10cm päikesevoog	108
AK Chambon La Forêt	019
AK Wingst	012
Hinnanguline Ap	013
Hinnanguline rahvusvaheline päikeselaikude arv	044 - Põhineb 19 jaamal

Märkimisväärsete sündmuste kokkuvõte

Andmed on esitanud Päikeseinfektide Andmeanalüüsi Keskus (Solar Influences Data Analysis Center)© - SIDC - Töötleb SpaceWeatherLive

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