Перегляд архіву середа, 20 лютого 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2013 Feb 20 1129 UTC

SIDC Forecast

Сонячні спалахи

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

Geomagnetism

Quiet (A<20 and K<4)

Сонячні протони

Quiet

	10cm flux	Ap
20 Feb 2013	118	003
21 Feb 2013	120	004
22 Feb 2013	121	004

Bulletin

Currently there are 9 Catania AR on the solar disk (7 NOAA AR). AR Catania 95 (NOAA 11678) has increased its complexity to Beta-Gamma-Delta configuration and therefore has a high flaring probability. C flaring and potentially an isolated M flare is expected especially from this region. An Earth directed CME with potential glancing blow was observed by STEREO on February 19th around 07:10 UT in both STEREO A & B, but there is insufficient data available to give more information. Geomagnetic activity was quiet to moderate and is expected to remain so for the next 48 hours.

Today's estimated international sunspot number (ISN): 071, based on 16 stations.

Solar indices for 19 Feb 2013

Wolf number Catania	142
10cm solar flux	112
AK Chambon La Forêt	013
AK Wingst	008
Estimated Ap	006
Estimated international sunspot number	074 - Based on 16 stations

Noticeable events summary

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

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