Sunspot region AR12805
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/02/22 | 3 | 10 | BXO | S23W02 | |
| 2021/02/23 | 6 | 50 | CAO | S22W14 | |
| 2021/02/24 | 3 | 30 | CSO | S22W28 | |
| 2021/02/25 | 1 | 10 | AXX | S10W40 |
2021/02/22
2021/02/23
2021/02/24
2021/02/25
|
2021/02/22
2021/02/23
2021/02/24
2021/02/25
|
| B |
|---|
| 4 |
The top 4 solar flares from sunspot region 12805
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B9.5 | 2021/02/26 | 07:02 | 07:25 | 07:48 | |
| 2 | B1.9 | 2021/02/23 | 14:18 | 14:27 | 14:32 | |
| 3 | B1.8 | 2021/02/23 | 05:18 | 05:34 | 05:50 | |
| 4 | B1.3 | 2021/02/23 | 05:20 | 05:32 | 05:51 |
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
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/13 | M1.0 |
| 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 | 116.2 +3.6 |
| Last 30 days | 131.1 +32.9 |