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Daily bulletin on solar and geomagnetic activity from the SIDC
Emesso: 2015 Feb 26 1222 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 | |
|---|---|---|
| 26 Feb 2015 | 114 | 007 |
| 27 Feb 2015 | 114 | 007 |
| 28 Feb 2015 | 114 | 007 |
Bulletin
Solar activity is very low, no C-class flares in past 24h. Geomagnetic conditions are quiet and expected to remain so.
Today's estimated international sunspot number (ISN): 018, based on 07 stations.Solar indices for 25 Feb 2015
| Wolf number Catania | 023 |
| 10cm solar flux | /// |
| AK Chambon La Forêt | 015 |
| AK Wingst | 009 |
| Estimated Ap | 009 |
| Estimated international sunspot number | 016 - Based on 10 stations |
Noticeable events summary
| Day | Begin | Max | Fine | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types | |
|---|---|---|---|---|---|---|---|---|---|---|
| Nessuna | ||||||||||
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
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M8.1 solar flare with earth-directed CME
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Notizie sul meteo spaziale
| Ultimo brillamento X | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/20 | M1.0 |
| Ultima tempesta geomagnetica | 2025/12/12 | 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 | 108.7 +20.4 |