Sunspot region AR8301
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/08/10 | 1 | 120 | HSX | S20E71 | |
| 1998/08/11 | 2 | 190 | EAO | S22E60 | |
| 1998/08/12 | 3 | 190 | ESO | S22E48 | |
| 1998/08/13 | 3 | 160 | ESO | S20E35 | |
| 1998/08/14 | 2 | 150 | ESO | S20E23 | |
| 1998/08/15 | 2 | 120 | ESO | S21E09 | |
| 1998/08/16 | 2 | 120 | ESO | S21W03 | |
| 1998/08/17 | 3 | 160 | ESO | S21W17 | |
| 1998/08/18 | 4 | 100 | EAO | S21W30 | |
| 1998/08/19 | 2 | 110 | CAO | S21W43 | |
| 1998/08/20 | 1 | 100 | HSX | S22W58 | |
| 1998/08/21 | 1 | 70 | HSX | S22W73 | |
| 1998/08/22 | 3 | 50 | CSO | S20W83 |
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Monday, 30 March 2026
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Complex sunspot region 4366
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/27 | M1.0 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 85 -0.9 |
| Last 30 days | 90.9 +8.3 |
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