Sunspot region AR13429
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/09/10 | 9 | 30 | CSO | N09E60 | |
| 2023/09/11 | 4 | 30 | DRO | N11E43 | |
| 2023/09/12 | 6 | 30 | CRO | N10E31 | |
| 2023/09/13 | 8 | 50 | EAI | N11E17 | |
| 2023/09/14 | 15 | 80 | EAI | N10E04 | |
| 2023/09/15 | 13 | 90 | DAI | N10W09 | |
| 2023/09/16 | 16 | 90 | DAI | N11W23 | |
| 2023/09/17 | 13 | 60 | CAO | N11W36 | |
| 2023/09/18 | 8 | 50 | CSO | N12W50 | |
| 2023/09/19 | 3 | 80 | CAO | N12W67 | |
| 2023/09/20 | 3 | 100 | CAO | N12W81 |
2023/09/10
2023/09/11
2023/09/12
2023/09/13
2023/09/14
2023/09/15
2023/09/16
2023/09/17
2023/09/18
2023/09/19
2023/09/20
|
2023/09/10
2023/09/11
2023/09/12
2023/09/13
2023/09/14
2023/09/15
2023/09/16
2023/09/17
2023/09/18
2023/09/19
2023/09/20
|
| C | M |
|---|---|
| 24 | 7 |
The top 10 solar flares from sunspot region 13429
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M3.43 | 2023/09/16 | 05:30 | 05:38 | 05:51 | |
| 2 | M2.92 | 2023/09/16 | 00:38 | 00:50 | 00:57 | |
| 3 | M2.5 | 2023/09/14 | 21:17 | 21:26 | 21:32 | |
| 4 | M1.9 | 2023/09/14 | 19:23 | 19:31 | 19:40 | |
| 5 | M1.7 | 2023/09/15 | 22:19 | 22:29 | 22:34 | |
| 6 | M1.4 | 2023/09/14 | 06:40 | 07:45 | 08:39 | |
| 7 | M1.3 | 2023/09/11 | 01:08 | 01:28 | 01:57 | |
| 8 | C7.4 | 2023/09/15 | 00:40 | 00:46 | 00:50 | |
| 9 | C7.4 | 2023/09/15 | 02:55 | 03:09 | 03:17 | |
| 10 | C7.0 | 2023/09/15 | 05:50 | 06:04 | 06:11 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
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X1.9 solar flare with earth-directed CME
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.1 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 140.8 +16.8 |
| Last 30 days | 124.4 +17 |