Sunspot region AR12864
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/09/03 | 4 | 30 | CRO | N23E22 | |
| 2021/09/04 | 7 | 50 | DAO | N25E09 | |
| 2021/09/05 | 8 | 90 | DAO | N24W03 | |
| 2021/09/06 | 10 | 180 | DAO | N24W18 | |
| 2021/09/07 | 10 | 220 | CSO | N24W33 | |
| 2021/09/08 | 1 | 110 | HSX | N23W46 | |
| 2021/09/09 | 4 | 100 | HSX | N24W59 | |
| 2021/09/10 | 2 | 80 | CSO | N24W76 | |
| 2021/09/11 | 1 | 50 | HSX | N22W90 | |
| 2021/09/12 | 1 | 50 | HSX | N24W0* |
2021/09/03
2021/09/04
2021/09/05
2021/09/06
2021/09/07
2021/09/08
2021/09/09
2021/09/10
2021/09/11
2021/09/12
|
2021/09/03
2021/09/04
2021/09/05
2021/09/06
2021/09/07
2021/09/08
2021/09/09
2021/09/10
2021/09/11
2021/09/12
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 12864
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.4 | 2021/09/08 | 23:42 | 00:10 | 00:33 |
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Latest forum messages
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Space weather facts
| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/21 | M6.9 |
| Last geomagnetic storm | 2026/06/25 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| May 2026 | 101.4 +22.1 |
| June 2026 | 101.2 -0.2 |
| Last 30 days | 103.7 +4.4 |
