Sunspot region AR13641
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/04/14 | 8 | 70 | DAO | N16E19 | |
| 2024/04/15 | 19 | 90 | DAO | N11W01 | |
| 2024/04/16 | 6 | 110 | DAO | N11W15 | |
| 2024/04/17 | 3 | 60 | DAO | N12W28 | |
| 2024/04/18 | 1 | 30 | HSX | N12W42 | |
| 2024/04/19 | 1 | 10 | AXX | N09W59 | |
| 2024/04/20 | 1 | 20 | HRX | N16W59 | |
| 2024/04/21 | 1 | 10 | AXX | N09W78 | |
| 2024/04/22 | 1 | 10 | AXX | N10W0* |
2024/04/14
2024/04/15
2024/04/16
2024/04/17
2024/04/18
2024/04/19
2024/04/20
2024/04/21
2024/04/22
|
2024/04/14
2024/04/15
2024/04/16
2024/04/17
2024/04/18
2024/04/19
2024/04/20
2024/04/21
2024/04/22
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 13641
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.8 | 2024/04/17 | 00:10 | 00:17 | 00:23 |
Latest news
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
Wednesday, 5 March 2025
Coronal hole faces Earth
Sunday, 23 February 2025
X2.0 solar flare from sunspot region 4001
Latest forum messages
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Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/21 | M1.2 |
| Last geomagnetic storm | 2025/03/22 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 140.6 -14 |
| Last 30 days | 138.7 -14.7 |