Sunspot region AR13943
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/12/30 | 1 | 40 | HAX | S15E73 | |
| 2024/12/31 | 6 | 90 | DAO | S16E63 | |
| 2025/01/01 | 6 | 90 | CAO | S15E48 | |
| 2025/01/02 | 7 | 130 | DAO | S16E35 | |
| 2025/01/03 | 13 | 130 | DAO | S14E22 | |
| 2025/01/04 | 14 | 80 | ESO | S18E05 | |
| 2025/01/05 | 5 | 60 | HSX | S16W02 | |
| 2025/01/06 | 4 | 50 | CSO | S16W15 | |
| 2025/01/07 | 1 | 40 | HSX | S17W33 | |
| 2025/01/08 | 2 | 30 | CSO | S13W47 | |
| 2025/01/09 | 2 | 30 | HSX | S16W59 |
2024/12/30
2024/12/31
2025/01/01
2025/01/02
2025/01/03
2025/01/04
2025/01/05
2025/01/06
2025/01/07
2025/01/08
2025/01/09
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2024/12/30
2024/12/31
2025/01/01
2025/01/02
2025/01/03
2025/01/04
2025/01/05
2025/01/06
2025/01/07
2025/01/08
2025/01/09
|
| C |
|---|
| 4 |
The top 4 solar flares from sunspot region 13943
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.9 | 2025/01/04 | 03:46 | 03:52 | 03:58 | |
| 2 | C5.8 | 2025/01/04 | 21:34 | 21:42 | 21:52 | |
| 3 | C5.6 | 2025/01/01 | 13:25 | 13:34 | 13:49 | |
| 4 | C4.3 | 2025/01/05 | 20:54 | 20:57 | 21:01 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/28 | M1.11 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| 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 | 158 +78.7 |
| Last 30 days | 90.5 -3.1 |
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