Sunspot region AR8804
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/12/17 | 1 | 120 | HSX | S18E78 | |
| 1999/12/18 | 1 | 150 | HAX | S17E66 | |
| 1999/12/19 | 3 | 210 | CHO | S19E54 | |
| 1999/12/20 | 3 | 250 | CHO | S19E43 | |
| 1999/12/21 | 2 | 290 | CHO | S20E29 | |
| 1999/12/22 | 1 | 280 | HHX | S18E15 | |
| 1999/12/23 | 1 | 240 | HSX | S18E02 | |
| 1999/12/24 | 1 | 250 | HHX | S18W11 | |
| 1999/12/25 | 2 | 300 | HHX | S18W25 | |
| 1999/12/26 | 3 | 220 | CHO | S17W38 | |
| 1999/12/27 | 5 | 260 | CHO | S17W51 | |
| 1999/12/28 | 3 | 190 | HSX | S18W64 | |
| 1999/12/29 | 2 | 170 | HSX | S17W78 | |
| 1999/12/30 | 1 | 100 | HSX | S18W91 |
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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 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |