| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/05/14 | 7 | 10 | BXO | S27E51 | |
| 2012/05/15 | 7 | 10 | BXO | S27E37 | |
| 2012/05/16 | 7 | 10 | AXX | S27E23 | |
| 2012/05/17 | 1 | 10 | AXX | S26E13 | |
| 2012/05/20 | 4 | 10 | BXO | S24W29 | |
| 2012/05/21 | 6 | 50 | DSO | S25W43 | |
| 2012/05/22 | 7 | 30 | DRO | S25W56 | |
| 2012/05/23 | 4 | 10 | BXO | S25W67 | |
| 2012/05/24 | 3 | 30 | CRO | S24W79 | |
| 2012/05/25 | 5 | 10 | BXO | S25W93 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.57 | 2012/05/14 | 19:22 | 19:26 | 19:31 | |
| 2 | C1.52 | 2012/05/14 | 13:33 | 13:38 | 13:42 |
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/28 | M1.1 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 88.4 +2.5 |
| Last 30 days | 91.7 +5.2 |