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Daily bulletin on solar and geomagnetic activity from the SIDC
Emesso: 2013 Jan 09 1152 UTC
SIDC Forecast
Brillamenti solari
Eruptive (C-class flares expected, probability >= 50%)
Geomagnetism
Quiet (A<20 and K<4)
Protoni solari
Quiet
| 10cm flux | Ap | |
|---|---|---|
| 09 Jan 2013 | 162 | 001 |
| 10 Jan 2013 | 166 | 001 |
| 11 Jan 2013 | 169 | 004 |
Bulletin
Solar activity is expected to stay at eruptive levels with C class flares likely from NOAA AR 1652 and 1654, which is beginning its transit on the disk. There is a small risk of an isolated M flare from NOAA AR 1652. Geomagnetic activity is expected to be mostly quiet for the next 48 hours.
Today's estimated international sunspot number (ISN): 107, based on 02 stations.
Solar indices for 8 Jan 2013
| Wolf number Catania | /// |
| 10cm solar flux | 156 |
| AK Chambon La Forêt | 010 |
| AK Wingst | 006 |
| Estimated Ap | 004 |
| Estimated international sunspot number | 105 - Based on 09 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 | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/29 | M1.0 |
| Ultima tempesta geomagnetica | 2025/12/22 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| novembre 2025 | 91.8 -22.8 |
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| Ultimi 30 giorni | 116.2 +30.6 |