Sunspot region AR13940
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/12/27 | 1 | 5 | AXX | S10E38 | |
| 2024/12/28 | 1 | 10 | AXX | S05E23 | |
| 2024/12/29 | 1 | 10 | AXX | S06E23 | |
| 2024/12/30 | 15 | 100 | AXX | S06E14 |
2024/12/27
2024/12/28
2024/12/29
2024/12/30
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2024/12/27
2024/12/28
2024/12/29
2024/12/30
|
| M |
|---|
| 3 |
The top 3 solar flares from sunspot region 13940
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.7 | 2024/12/30 | 02:50 | 03:00 | 03:08 | |
| 2 | M1.5 | 2024/12/29 | 17:58 | 18:04 | 18:08 | |
| 3 | M1.22 | 2024/12/29 | 03:56 | 04:05 | 04:14 |
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
Coronal Hole 22 15Ask your obscure/"stupid" space weather questions. 311Coronal hole 23 2Incoming & Unnumbered Active Regions 1624AR 4021 5
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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 | 2025/03/09 | Kp6- (G2) |
| 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 | 139.4 -7.7 |