Sunspot region AR13615
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/03/18 | 13 | 180 | EAO | S12E64 | |
| 2024/03/19 | 14 | 240 | EAC | S12E48 | |
| 2024/03/20 | 20 | 300 | EKC | S12E39 | |
| 2024/03/21 | 24 | 310 | EKC | S12E23 | |
| 2024/03/22 | 52 | 370 | EKC | S13E11 | |
| 2024/03/23 | 53 | 730 | FKC | S13W02 | |
| 2024/03/24 | 54 | 810 | FKC | S13W14 | |
| 2024/03/25 | 63 | 1120 | FKC | S15W27 | |
| 2024/03/26 | 53 | 1140 | FKC | S13W41 | |
| 2024/03/27 | 41 | 960 | FKC | S13W55 | |
| 2024/03/28 | 40 | 990 | FKC | S13W69 | |
| 2024/03/29 | 34 | 960 | FKC | S14W83 | |
| 2024/03/30 | 15 | 850 | FKC | S13W94 | |
| 2024/03/31 | 15 | 850 | FKC | S13W0* |
2024/03/18
2024/03/19
2024/03/20
2024/03/21
2024/03/22
2024/03/23
2024/03/24
2024/03/25
2024/03/26
2024/03/27
2024/03/28
2024/03/29
2024/03/30
2024/03/31
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2024/03/18
2024/03/19
2024/03/20
2024/03/21
2024/03/22
2024/03/23
2024/03/24
2024/03/25
2024/03/26
2024/03/27
2024/03/28
2024/03/29
2024/03/30
2024/03/31
|
| C | M | X |
|---|---|---|
| 119 | 43 | 1 |
The top 10 solar flares from sunspot region 13615
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.12 | 2024/03/28 | 20:29 | 20:56 | 21:01 | |
| 2 | M9.7 | 2024/03/28 | 20:29 | 20:46 | 20:50 | |
| 3 | M9.3 | 2024/03/30 | 21:21 | 21:31 | 21:39 | |
| 4 | M7.4 | 2024/03/20 | 07:23 | 07:36 | 07:47 | |
| 5 | M7.1 | 2024/03/28 | 06:16 | 06:29 | 06:36 | |
| 6 | M6.77 | 2024/03/18 | 19:02 | 19:19 | 19:28 | |
| 7 | M6.1 | 2024/03/28 | 15:40 | 15:56 | 16:03 | |
| 8 | M5.2 | 2024/03/23 | 13:51 | 13:52 | 14:15 | |
| 9 | M4.4 | 2024/03/25 | 06:37 | 06:44 | 06:48 | |
| 10 | M4.3 | 2024/03/22 | 20:18 | 20:32 | 20:45 |
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
Latest forum messages
Do the high-resolution sunspot counts point to more complex sunspots? 57Current Farside Activity 371Incoming & Unnumbered Active Regions 154Feb 8-9 CMEs 21AR4366 999
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/08 | M2.8 |
| 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 | 135.3 +22.7 |
| Last 30 days | 127.2 +23.7 |