Sunspot region AR13511
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/12/03 | 3 | 10 | BXO | S23E23 | |
| 2023/12/04 | 8 | 60 | DAO | S23E11 | |
| 2023/12/05 | 15 | 170 | DAO | S23W06 | |
| 2023/12/06 | 11 | 170 | DAO | S22W20 | |
| 2023/12/07 | 7 | 160 | DSO | S22W32 | |
| 2023/12/08 | 7 | 150 | ESI | S22W45 | |
| 2023/12/09 | 11 | 180 | FSI | S22W59 | |
| 2023/12/10 | 9 | 140 | FSI | S23W71 | |
| 2023/12/11 | 3 | 60 | CSO | S22W95 | |
| 2023/12/12 | 3 | 60 | CSO | S22W99 |
2023/12/03
2023/12/04
2023/12/05
2023/12/06
2023/12/07
2023/12/08
2023/12/09
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2023/12/03
2023/12/04
2023/12/05
2023/12/06
2023/12/07
2023/12/08
2023/12/09
2023/12/10
2023/12/11
2023/12/12
|
| C | M |
|---|---|
| 56 | 5 |
The top 10 solar flares from sunspot region 13511
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M5.49 | 2023/12/08 | 22:56 | 23:07 | 23:14 | |
| 2 | M2.3 | 2023/12/10 | 03:42 | 03:53 | 03:58 | |
| 3 | M1.5 | 2023/12/09 | 09:41 | 09:55 | 10:06 | |
| 4 | M1.4 | 2023/12/10 | 22:37 | 22:43 | 22:47 | |
| 5 | M1.0 | 2023/12/09 | 13:03 | 13:19 | 13:37 | |
| 6 | C9.3 | 2023/12/13 | 14:46 | 15:15 | 15:48 | |
| 7 | C8.6 | 2023/12/05 | 17:43 | 18:03 | 18:25 | |
| 8 | C8.1 | 2023/12/04 | 01:22 | 01:26 | 01:30 | |
| 9 | C7.3 | 2023/12/10 | 20:37 | 20:47 | 20:55 | |
| 10 | C7.0 | 2023/12/10 | 07:02 | 07:16 | 07:27 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 85.2 +7 |
| Last 30 days | 85.2 +8.6 |
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