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Daily bulletin on solar and geomagnetic activity from the SIDC
Emesso: 2013 Jan 29 1234 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 | |
|---|---|---|
| 29 Jan 2013 | 099 | 002 |
| 30 Jan 2013 | 100 | 003 |
| 31 Jan 2013 | 100 | 003 |
Bulletin
The flaring activity is low. The back-ground X-ray radiation is at the bottom of the B-level. Geomagnetic conditions are quiet. The solar wind is slow (around 400 km/s), with an imbedded magnetic field that is not strong (< 4nT).
Today's estimated international sunspot number (ISN): 038, based on 04 stations.
Solar indices for 28 Jan 2013
| Wolf number Catania | /// |
| 10cm solar flux | 098 |
| AK Chambon La Forêt | 010 |
| AK Wingst | 006 |
| Estimated Ap | 005 |
| Estimated international sunspot number | 042 - 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
Tutti gli orari in UTC
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Ultime notizie
Complex sunspot region 4366
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Notizie sul meteo spaziale
| Ultimo brillamento X | 2026/02/04 | X4.21 |
| Ultimo brillamento M | 2026/02/25 | M2.4 |
| Ultima tempesta geomagnetica | 2026/03/03 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
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