Sunspot region AR8650
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/07/28 | 1 | 40 | HAX | N17E75 | |
| 1999/07/29 | 1 | 70 | HSX | N16E64 | |
| 1999/07/30 | 4 | 50 | CSO | N17E50 | |
| 1999/07/31 | 1 | 50 | HSX | N16E36 | |
| 1999/08/01 | 7 | 90 | DSO | N18E23 | |
| 1999/08/02 | 12 | 50 | CSO | N18E10 | |
| 1999/08/03 | 6 | 40 | CSO | N18W04 | |
| 1999/08/04 | 5 | 40 | CSO | N18W18 | |
| 1999/08/05 | 1 | 30 | HSX | N18W30 | |
| 1999/08/06 | 1 | 40 | HSX | N17W43 | |
| 1999/08/07 | 1 | 30 | HSX | N17W56 | |
| 1999/08/08 | 1 | 30 | HSX | N17W69 | |
| 1999/08/09 | 1 | 40 | HSX | N17W83 | |
| 1999/08/10 | 1 | 0 | AXX | N18W93 |
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |