Sunspot region AR13445
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/09/22 | 9 | 100 | DAI | S15E33 | |
| 2023/09/23 | 24 | 180 | DRI | S15E19 | |
| 2023/09/24 | 24 | 200 | DAI | S15E07 | |
| 2023/09/25 | 32 | 220 | DAI | S14W09 | |
| 2023/09/26 | 37 | 210 | DAI | S13W23 | |
| 2023/09/27 | 22 | 200 | DAI | S13W36 | |
| 2023/09/28 | 9 | 140 | DAO | S14W48 | |
| 2023/09/29 | 3 | 60 | CAO | S14W65 | |
| 2023/09/30 | 1 | 50 | HSX | S13W76 |
2023/09/22
2023/09/23
2023/09/24
2023/09/25
2023/09/26
2023/09/27
2023/09/28
2023/09/29
2023/09/30
|
2023/09/22
2023/09/23
2023/09/24
2023/09/25
2023/09/26
2023/09/27
2023/09/28
2023/09/29
2023/09/30
|
| C | M |
|---|---|
| 37 | 3 |
The top 10 solar flares from sunspot region 13445
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M4.43 | 2023/09/24 | 03:17 | 03:28 | 03:36 | |
| 2 | M1.91 | 2023/09/24 | 03:09 | 03:14 | 03:17 | |
| 3 | M1.21 | 2023/09/24 | 02:51 | 03:07 | 03:09 | |
| 4 | C9.9 | 2023/09/25 | 07:15 | 08:13 | 08:24 | |
| 5 | C9.7 | 2023/09/24 | 10:03 | 10:12 | 10:16 | |
| 6 | C9.6 | 2023/09/30 | 11:51 | 11:57 | 12:06 | |
| 7 | C9.2 | 2023/10/01 | 03:21 | 03:24 | 03:30 | |
| 8 | C8.7 | 2023/09/23 | 15:07 | 15:18 | 15:26 | |
| 9 | C8.5 | 2023/09/24 | 10:20 | 10:24 | 10:28 | |
| 10 | C8.0 | 2023/09/30 | 05:56 | 06:00 | 06:06 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
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 | 2026/02/13 | M1.0 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 112.1 -0.5 |
| Last 30 days | 128.7 +30.6 |