Sunspot region AR11637
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/12/27 | 1 | 10 | AXX | N06E47 | |
| 2012/12/28 | 1 | 10 | AXX | N06E34 | |
| 2012/12/29 | 1 | 10 | AXX | N06E20 | |
| 2012/12/30 | 1 | 0 | AXX | N06E07 |
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 11637
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B5.12 | 2012/12/30 | 05:50 | 05:55 | 06:02 |
Latest news
Thursday, 11 September 2025
Coronal hole faces Earth
Sunday, 31 August 2025
M2.7 solar flare with earth-directed CME!
Tuesday, 5 August 2025
M4.4 solar flare from sunspot region 4168
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |