Sunspot region AR13823
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/09/11 | 13 | 150 | DAI | S19W65 | |
| 2024/09/12 | 6 | 50 | CRO | S19W73 | |
| 2024/09/13 | 6 | 30 | CRO | S19W93 | |
| 2024/09/14 | 6 | 30 | CRO | S19W0* |
2024/09/11
2024/09/12
2024/09/13
2024/09/14
|
2024/09/11
2024/09/12
2024/09/13
2024/09/14
|
| C |
|---|
| 6 |
The top 6 solar flares from sunspot region 13823
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C9.9 | 2024/09/12 | 02:38 | 02:43 | 02:48 | |
| 2 | C9.6 | 2024/09/13 | 12:21 | 12:33 | 12:44 | |
| 3 | C5.6 | 2024/09/11 | 06:28 | 06:34 | 06:41 | |
| 4 | C4.5 | 2024/09/11 | 09:30 | 09:45 | 09:51 | |
| 5 | C4.3 | 2024/09/10 | 20:48 | 20:59 | 21:05 | |
| 6 | C3.9 | 2024/09/10 | 17:53 | 18:01 | 18:08 |
Latest news
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Wednesday, 31 December 2025
Happy New Year! Celebrate with an M7.1 solar flare!
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 118.7 -5.3 |
| Last 30 days | 120.4 +5.6 |