Sunspot region AR13987
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/02/06 | 1 | 30 | HSX | S09E65 | |
| 2025/02/07 | 2 | 20 | HRX | S09E51 | |
| 2025/02/08 | 2 | 20 | HRX | S09E36 | |
| 2025/02/09 | 3 | 10 | HRX | S09E22 | |
| 2025/02/10 | 2 | 10 | BXO | S09E10 | |
| 2025/02/11 | 6 | 10 | BXO | S09W04 |
2025/02/06
2025/02/07
2025/02/08
2025/02/09
2025/02/10
2025/02/11
|
2025/02/06
2025/02/07
2025/02/08
2025/02/09
2025/02/10
2025/02/11
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 13987
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.9 | 2025/02/11 | 22:06 | 22:13 | 22:17 |
Latest news
Wednesday, 13 May 2026
Coronal hole faces Earth
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Latest forum messages
Current Farside Activity 565Space Weather Memes 832Unspecified geomagnetic activity 258Incoming & Unnumbered Active Regions 390Coronal Hole 53 101
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/17 | M1.4 |
| Last geomagnetic storm | 2026/05/16 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 89.2 +9.9 |
| Last 30 days | 99.3 +7.6 |
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