Sunspot region AR8766
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/11/14 | 5 | 60 | DAO | N18E68 | |
| 1999/11/15 | 9 | 190 | DAO | N17E57 | |
| 1999/11/16 | 13 | 270 | DKI | N17E44 | |
| 1999/11/17 | 20 | 330 | EKC | N18E31 | |
| 1999/11/18 | 24 | 360 | EAC | N18E16 | |
| 1999/11/19 | 20 | 300 | EAI | N18E02 | |
| 1999/11/20 | 25 | 250 | EAI | N17W11 | |
| 1999/11/21 | 26 | 180 | EAI | N18W25 | |
| 1999/11/22 | 14 | 120 | DAO | N18W36 | |
| 1999/11/23 | 12 | 90 | DAO | N17W49 | |
| 1999/11/24 | 11 | 40 | ESO | N18W63 | |
| 1999/11/25 | 3 | 10 | BXO | N18W76 |
| C | M | X |
|---|---|---|
| 1 | 4 | 1 |
The top 6 solar flares from sunspot region 8766
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.06 | 1999/11/17 | 09:47 | 09:57 | 10:02 | |
| 2 | M8.06 | 1999/11/14 | 15:47 | 16:07 | 16:13 | |
| 3 | M5.5 | 1999/11/16 | 02:36 | 02:46 | 02:54 | |
| 4 | M2.59 | 1999/11/16 | 04:47 | 05:12 | 05:45 | |
| 5 | M1.28 | 1999/11/15 | 00:04 | 00:09 | 00:17 | |
| 6 | C5.57 | 1999/11/15 | 04:45 | 04:49 | 05:00 |
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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 |