Sunspot region AR13621
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/03/23 | 4 | 20 | CRO | N17W38 | |
| 2024/03/24 | 3 | 20 | CSO | N17W51 | |
| 2024/03/25 | 5 | 40 | CSO | N17W70 | |
| 2024/03/26 | 3 | 30 | CSO | N15W78 | |
| 2024/03/27 | 3 | 30 | CSO | N15W94 | |
| 2024/03/28 | 3 | 30 | CSO | N15W0* |
2024/03/23
2024/03/24
2024/03/25
2024/03/26
2024/03/27
2024/03/28
|
2024/03/23
2024/03/24
2024/03/25
2024/03/26
2024/03/27
2024/03/28
|
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 13621
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.0 | 2024/03/25 | 12:00 | 12:10 | 12:15 | |
| 2 | C2.7 | 2024/03/25 | 22:57 | 23:10 | 23:26 |
Latest news
Wednesday, 5 March 2025
Coronal hole faces Earth
Sunday, 23 February 2025
X2.0 solar flare from sunspot region 4001
Friday, 7 February 2025
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
Latest forum messages
Ask your obscure/"stupid" space weather questions. 315Coronal Hole 22 33Incoming & Unnumbered Active Regions 1627AR 4021 6Coronal hole 23 2
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Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/11 | M1.1 |
| Last geomagnetic storm | 2025/03/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 112.5 -42.1 |
| Last 30 days | 140.4 -7 |