Sunspot region AR13903
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/11/21 | 6 | 20 | CAI | S10W17 | |
| 2024/11/22 | 6 | 50 | DAO | S10W31 | |
| 2024/11/23 | 5 | 40 | DAO | S10W44 | |
| 2024/11/24 | 5 | 30 | DAO | S11W59 | |
| 2024/11/25 | 4 | 30 | DAO | S10W75 | |
| 2024/11/26 | 4 | 30 | DAO | S10W88 | |
| 2024/11/27 | 4 | 30 | DAO | S10W0* |
2024/11/21
2024/11/22
2024/11/23
2024/11/24
2024/11/25
2024/11/26
|
2024/11/21
2024/11/22
2024/11/23
2024/11/24
2024/11/25
2024/11/26
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 13903
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7.3 | 2024/11/26 | 00:01 | 00:08 | 00:12 |
Latest news
Thursday, 11 September 2025
Coronal hole faces Earth
Sunday, 31 August 2025
M2.7 solar flare with earth-directed CME!
Tuesday, 5 August 2025
M4.4 solar flare from sunspot region 4168
Latest forum messages
CMEs from 2025/10/03 50Incoming & Unnumbered Active Regions 2109Comet C/2025 A6 (Lemmon) 72Coronal Hole 85 2Unspecified geomagnetic activity 3204
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |