Visualizzazione archivio di mercoledì, 17 settembre AM
Daily bulletin on solar and geomagnetic activity from the SIDC
Emesso: 2014 Sep 17 1509 UTC
SIDC Forecast
Brillamenti solari
Eruptive (C-class flares expected, probability >=50%)
Geomagnetism
Quiet (A<20 and K<4)
Protoni solari
Warning condition (activity levels expected to increase, but no numeric forecast given)
| 10cm flux | Ap | |
|---|---|---|
| 17 Sep 2014 | 133 | 007 |
| 18 Sep 2014 | 132 | 007 |
| 19 Sep 2014 | 132 | 007 |
Bulletin
Only minor C-class flares in past 24 hours. The strongest one was a C2.6 from Catania 54 (NOAA 2164) peaking at 03:34 UT. Same conditions are expect to continue. Geomagnetic conditions are quiet and expected to remain so.
Today's estimated international sunspot number (ISN): 088, based on 17 stations.Solar indices for 16 Sep 2014
| Wolf number Catania | /// |
| 10cm solar flux | 133 |
| AK Chambon La Forêt | 018 |
| AK Wingst | 010 |
| Estimated Ap | 009 |
| Estimated international sunspot number | 077 - Based on 21 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
Tutti gli orari in UTC
<< Vai alla pagina della panoramica giornaliera
Ultime notizie
M2.7 solar flare, CME arrival possible
Complex sunspot region 4366
CME impact! S4 solar radiation storm
Ultimi messaggi dal forum
Supporta SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
Notizie sul meteo spaziale
| Ultimo brillamento X | 2026/02/04 | X4.21 |
| Ultimo brillamento M | 2026/03/18 | M2.7 |
| Ultima tempesta geomagnetica | 2026/03/22 | Kp7- (G3) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (4%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| febbraio 2026 | 78.2 -34.3 |
| marzo 2026 | 77 -1.2 |
| Ultimi 30 giorni | 71.5 -16.6 |