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Daily bulletin on solar and geomagnetic activity from the SIDC
Emesso: 2013 Jan 03 1241 UTC
SIDC Forecast
Brillamenti solari
Quiet conditions (<50% probability of C-class flares)
Geomagnetism
Quiet (A<20 and K<4)
Protoni solari
Quiet
| 10cm flux | Ap | |
|---|---|---|
| 03 Jan 2013 | 118 | 001 |
| 04 Jan 2013 | 120 | 001 |
| 05 Jan 2013 | 120 | 001 |
Bulletin
Solar activity is very low, no C-class flares in past 24h, NOAA AR 1640 is slowly growing and has potential for producing them. Geomagnetic conditions have been quiet and are expected to remain so
Today's estimated international sunspot number (ISN): 081, based on 05 stations.
Solar indices for 2 Jan 2013
| Wolf number Catania | /// |
| 10cm solar flux | 119 |
| AK Chambon La Forêt | 007 |
| AK Wingst | 004 |
| Estimated Ap | 003 |
| Estimated international sunspot number | 064 - Based on 10 stations |
Noticeable events summary
| Day | Begin | Max | Fine | Loc | Strength | OP | 10cm | Radio burst types | Catania/NOAA | |
|---|---|---|---|---|---|---|---|---|---|---|
| Nessuna | ||||||||||
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
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Notizie sul meteo spaziale
| Ultimo brillamento X | 2026/02/04 | X4.21 |
| Ultimo brillamento M | 2026/03/13 | M1.19 |
| Ultima tempesta geomagnetica | 2026/03/13 | Kp6- (G2) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (4%) |
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