Sunspot region AR13917
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/12/04 | 5 | 30 | CAO | S09E61 | |
| 2024/12/05 | 6 | 90 | DRI | S08E51 | |
| 2024/12/06 | 7 | 180 | DAO | S09E38 | |
| 2024/12/07 | 12 | 200 | DAC | S07E23 | |
| 2024/12/08 | 15 | 210 | DAC | S09E11 | |
| 2024/12/09 | 12 | 220 | DAO | S08W02 | |
| 2024/12/10 | 20 | 230 | EAC | S08W15 | |
| 2024/12/11 | 23 | 280 | DKI | S08W28 | |
| 2024/12/12 | 23 | 280 | DKI | S08W42 | |
| 2024/12/13 | 13 | 260 | DKC | S08W56 | |
| 2024/12/14 | 9 | 270 | DKO | S07W68 | |
| 2024/12/15 | 6 | 260 | DKO | S07W82 | |
| 2024/12/16 | 4 | 160 | CAO | S07W91 | |
| 2024/12/17 | 4 | 160 | CAO | S07W0* |
2024/12/04
2024/12/05
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2024/12/08
2024/12/09
2024/12/10
2024/12/11
2024/12/12
2024/12/13
2024/12/14
2024/12/15
2024/12/16
2024/12/17
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2024/12/04
2024/12/05
2024/12/06
2024/12/07
2024/12/08
2024/12/09
2024/12/10
2024/12/11
2024/12/12
2024/12/13
2024/12/14
2024/12/15
2024/12/16
2024/12/17
|
| C | M |
|---|---|
| 59 | 6 |
The top 10 solar flares from sunspot region 13917
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M3.2 | 2024/12/07 | 21:53 | 22:15 | 22:26 | |
| 2 | M2.3 | 2024/12/07 | 13:00 | 13:08 | 13:15 | |
| 3 | M2.1 | 2024/12/13 | 11:13 | 11:24 | 11:30 | |
| 4 | M1.47 | 2024/12/04 | 20:57 | 21:05 | 21:12 | |
| 5 | M1.22 | 2024/12/06 | 09:06 | 09:20 | 09:42 | |
| 6 | M1.0 | 2024/12/05 | 06:56 | 07:09 | 07:33 | |
| 7 | C9.8 | 2024/12/13 | 17:13 | 17:20 | 17:27 | |
| 8 | C7.6 | 2024/12/15 | 20:21 | 21:01 | 21:15 | |
| 9 | C7.2 | 2024/12/15 | 09:27 | 09:40 | 09:47 | |
| 10 | C6.3 | 2024/12/07 | 18:20 | 18:26 | 18:32 |
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |