| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2011/08/17 | 2 | 10 | CRO | S19E67 | |
| 2011/08/18 | 2 | 60 | CSO | S19E55 | |
| 2011/08/19 | 3 | 60 | CSO | S22E41 | |
| 2011/08/20 | 2 | 30 | HAX | S21E27 | |
| 2011/08/21 | 5 | 50 | CAO | S22E15 | |
| 2011/08/22 | 8 | 90 | DAO | S21E03 | |
| 2011/08/23 | 11 | 60 | DSI | S21W08 | |
| 2011/08/24 | 6 | 40 | DSO | S21W20 | |
| 2011/08/25 | 4 | 20 | CRO | S21W36 | |
| 2011/08/26 | 1 | 0 | AXX | S21W49 |
| B | C |
|---|---|
| 11 | 10 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C4.86 | 2011/08/15 | 11:10 | 11:20 | 11:33 | |
| 2 | C3.83 | 2011/08/17 | 16:16 | 16:31 | 16:45 | |
| 3 | C3.29 | 2011/08/17 | 04:19 | 04:29 | 05:07 | |
| 4 | C2.8 | 2011/08/17 | 01:44 | 02:54 | 03:44 | |
| 5 | C2.18 | 2011/08/21 | 18:15 | 18:40 | 18:46 | |
| 6 | C1.78 | 2011/08/18 | 06:40 | 06:44 | 06:51 | |
| 7 | C1.76 | 2011/08/21 | 23:10 | 23:16 | 23:26 | |
| 8 | C1.37 | 2011/08/18 | 12:41 | 13:11 | 13:19 | |
| 9 | C1.2 | 2011/08/20 | 12:25 | 12:36 | 12:50 | |
| 10 | C1.18 | 2011/08/17 | 07:52 | 07:57 | 08:00 |
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!
| 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 |
| 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 | 75.1 -3.1 |
| Ultimi 30 giorni | 54.5 -72.1 |