Sunspot region AR13921
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/12/09 | 1 | 20 | HRX | S07E12 | |
| 2024/12/10 | 1 | 10 | HRX | S07W01 | |
| 2024/12/11 | 1 | 10 | AXX | S05W11 | |
| 2024/12/12 | 1 | 10 | AXX | S06W28 |
2024/12/09
2024/12/10
2024/12/11
2024/12/12
|
2024/12/09
2024/12/10
2024/12/11
2024/12/12
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 13921
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.2 | 2024/12/15 | 04:55 | 05:07 | 05:13 |
Latest news
Thursday, 16 January 2025
Coronal hole faces Earth
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
Latest forum messages
AR 13961 33AR 3959 54Are the colours we see in the Aurora representative of higher energy states? 2350 mhz F2 55Push notifications appear to be supported on the desktop under FF 2
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/18 | M1.1 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 132.4 -22.1 |
| Last 30 days | 157.7 +41.8 |