Sunspot region AR12270
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/01/24 | 2 | 10 | AXX | S18E55 |
2015/01/24
|
2015/01/24
|
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 12270
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.71 | 2015/01/23 | 15:24 | 15:29 | 15:35 | |
| 2 | C1.43 | 2015/01/23 | 15:07 | 15:11 | 15:22 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 979Feb 8-9 CMEs 17Do the high-resolution sunspot counts point to more complex sunspots? 52AR 4371 19AR 4373 3
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.1 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 137.7 +25.1 |
| Last 30 days | 126 +20.7 |