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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2013 Oct 04 1234 UTC

SIDC Forecast

Valid from 1230 UTC, 04 Oct 2013 until 06 Oct 2013
Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

10cm fluxAp
04 Oct 2013108007
05 Oct 2013108007
06 Oct 2013108007

Bulletin

C-class flaring is expected from NOAA AR 1856 and NOAA AR 1857 in the Eastern solar hemisphere. Quiet geomagnetic conditions (K<4) are expected.

Today's estimated international sunspot number (ISN): 058, based on 14 stations.

Solar indices for 03 Oct 2013

Wolf number Catania///
10cm solar flux114
AK Chambon La Forêt006
AK Wingst004
Estimated Ap005
Estimated international sunspot number049 - Based on 21 stations

Noticeable events summary

DayBeginMaxFineLocStrengthOP10cmCatania/NOAARadio burst types
Nessuna

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

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Notizie sul meteo spaziale

Ultimo brillamento X2025/12/08X1.1
Ultimo brillamento M2025/12/21M1.3
Ultima tempesta geomagnetica2025/12/21Kp5 (G1)
Giorni senza macchie
Ultimo giorno senza macchie2022/06/08
Media mensile Numero di Macchie Solari
novembre 202591.8 -22.8
dicembre 2025116.9 +25.1
Ultimi 30 giorni109 +22.2

Questo giorno nella storia*

Brillamenti solari
11999M7.71
22013M4.82
32023M3.33
42013M2.8
51999M2.61
DstG
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22014-71G1
32001-59
41987-59
51989-58G1
*dal 1994

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