Sunspot region AR13875
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/10/25 | 3 | 10 | BXO | N29E31 | |
| 2024/10/26 | 6 | 20 | CAO | N29E17 | |
| 2024/10/27 | 7 | 30 | CRO | N29E03 | |
| 2024/10/28 | 7 | 20 | CAO | N27W01 | |
| 2024/10/29 | 3 | 10 | BXO | N29W19 | |
| 2024/10/30 | 13 | 30 | CRI | N29W33 | |
| 2024/10/31 | 15 | 150 | DAI | N29W43 | |
| 2024/11/01 | 13 | 170 | DAI | N28W55 | |
| 2024/11/02 | 12 | 130 | DSI | N29W71 | |
| 2024/11/03 | 6 | 110 | ESO | N29W85 | |
| 2024/11/04 | 6 | 110 | ESO | N28W99 |
2024/10/25
2024/10/26
2024/10/27
2024/10/28
2024/10/29
2024/10/30
2024/10/31
2024/11/01
2024/11/02
2024/11/03
2024/11/04
|
2024/10/25
2024/10/26
2024/10/27
2024/10/28
2024/10/29
2024/10/30
2024/10/31
2024/11/01
2024/11/02
2024/11/03
2024/11/04
|
| C | M |
|---|---|
| 2 | 1 |
The top 3 solar flares from sunspot region 13875
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.4 | 2024/10/31 | 12:41 | 12:54 | 13:03 | |
| 2 | C8.8 | 2024/11/03 | 20:35 | 20:42 | 20:48 | |
| 3 | C6.8 | 2024/11/03 | 20:18 | 20:30 | 20:35 |
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 115.2 +23.4 |
| Last 30 days | 109.4 +23 |