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Daily bulletin on solar and geomagnetic activity from the SIDC
Emesso: 2013 Jan 02 1233 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 | |
|---|---|---|
| 02 Jan 2013 | 118 | 006 |
| 03 Jan 2013 | 120 | 007 |
| 04 Jan 2013 | 124 | 007 |
Bulletin
Solar activity has been very low, C-class flares can be expected from NOAA AR 1640 and 1638. Geomagnetic activity has been quiet and it's expected to remain so.
Today's estimated international sunspot number (ISN): 063, based on 10 stations.
Solar indices for 1 Jan 2013
| Wolf number Catania | /// |
| 10cm solar flux | 118 |
| AK Chambon La Forêt | 003 |
| AK Wingst | 000 |
| Estimated Ap | 001 |
| Estimated international sunspot number | 070 - Based on 12 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 | 2026/03/18 | M2.7 |
| Ultima tempesta geomagnetica | 2026/03/14 | Kp6 (G2) |
| Giorni senza macchie | |
|---|---|
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