Sunspot region AR11237
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/06/18 | 1 | 0 | AXX | S14E66 | |
| 2011/06/19 | 1 | 0 | AXX | S15E53 |
| B | C |
|---|---|
| 3 | 2 |
The top 5 solar flares from sunspot region 11237
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.12 | 2011/06/19 | 16:03 | 16:37 | 16:53 | |
| 2 | C1.04 | 2011/06/17 | 06:41 | 06:46 | 06:54 | |
| 3 | B9.65 | 2011/06/17 | 17:05 | 17:40 | 17:56 | |
| 4 | B6.18 | 2011/06/18 | 22:18 | 22:22 | 22:27 | |
| 5 | B4.18 | 2011/06/18 | 23:16 | 23:19 | 23:23 |
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 75.5 -37.1 |
| Last 30 days | 81.7 -39.4 |