Sunspot region AR8788
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/12/03 | 1 | 180 | HKX | N13E78 | |
| 1999/12/04 | 1 | 270 | HKX | N10E66 | |
| 1999/12/05 | 19 | 510 | FKI | N10E56 | |
| 1999/12/06 | 13 | 510 | FKO | N10E43 | |
| 1999/12/07 | 17 | 550 | FKO | N09E29 | |
| 1999/12/08 | 14 | 570 | FKO | N10E16 | |
| 1999/12/09 | 17 | 590 | FKO | N11E04 | |
| 1999/12/10 | 13 | 560 | FHO | N10W10 | |
| 1999/12/11 | 12 | 460 | FHO | N11W23 | |
| 1999/12/12 | 14 | 440 | FHO | N12W37 | |
| 1999/12/13 | 7 | 380 | FHO | N10W51 | |
| 1999/12/14 | 7 | 330 | FHO | N15W65 | |
| 1999/12/15 | 5 | 170 | FAO | N11W75 | |
| 1999/12/16 | 1 | 80 | HAX | N14W86 |
| C | M |
|---|---|
| 3 | 1 |
The top 4 solar flares from sunspot region 8788
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.2 | 1999/12/06 | 07:00 | 07:18 | 07:34 | |
| 2 | C7.06 | 1999/12/06 | 21:52 | 22:08 | 23:04 | |
| 3 | C6.16 | 1999/12/04 | 21:16 | 21:27 | 21:51 | |
| 4 | C2.23 | 1999/12/05 | 09:20 | 09:25 | 09:30 |
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +13.7 |