| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2015/05/19 | 2 | 10 | BXO | S20E34 | |
| 2015/05/20 | 3 | 10 | BXO | S21E18 | |
| 2015/05/22 | 3 | 10 | BXO | S21W10 | |
| 2015/05/23 | 5 | 20 | BXO | S21W20 | |
| 2015/05/24 | 5 | 40 | CAO | S21W36 | |
| 2015/05/25 | 8 | 60 | DAO | S21W49 | |
| 2015/05/26 | 5 | 50 | CAO | S20W62 | |
| 2015/05/27 | 2 | 40 | CSO | S19W76 |
| B | C |
|---|---|
| 4 | 6 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C2.3 | 2015/05/20 | 08:05 | 08:12 | 08:19 | |
| 2 | C1.68 | 2015/05/21 | 06:57 | 07:06 | 07:17 | |
| 3 | C1.52 | 2015/05/18 | 08:16 | 08:21 | 08:23 | |
| 4 | C1.51 | 2015/05/18 | 07:27 | 07:53 | 08:08 | |
| 5 | C1.07 | 2015/05/20 | 02:49 | 02:57 | 03:04 | |
| 6 | C1.05 | 2015/05/19 | 12:40 | 12:45 | 12:49 | |
| 7 | B8.3 | 2015/05/23 | 23:51 | 23:56 | 00:01 | |
| 8 | B7.66 | 2015/05/23 | 16:50 | 16:53 | 16:55 | |
| 9 | B6.14 | 2015/05/23 | 13:39 | 13:43 | 13:48 | |
| 10 | B4.9 | 2015/05/23 | 01:15 | 01:22 | 01:32 |
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| Ultimo brillamento X | 2026/01/18 | X1.9 |
| Ultimo brillamento M | 2026/02/01 | M6.7 |
| Ultima tempesta geomagnetica | 2026/01/28 | Kp5+ (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| dicembre 2025 | 124 +32.2 |
| Ultimi 30 giorni | 119.2 +2.7 |