Sunspot region AR8507
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/04/04 | 5 | 10 | BXO | N12E58 | |
| 1999/04/05 | 6 | 10 | BXO | N11E45 | |
| 1999/04/06 | 11 | 50 | CSO | N12E32 | |
| 1999/04/07 | 11 | 30 | CSO | N12E18 | |
| 1999/04/08 | 14 | 80 | DAO | N11E05 | |
| 1999/04/09 | 11 | 70 | DSO | N12W10 | |
| 1999/04/10 | 5 | 50 | DSO | N11W23 | |
| 1999/04/11 | 6 | 20 | DRO | N11W37 | |
| 1999/04/12 | 4 | 10 | BXO | N11W49 |
| C |
|---|
| 4 |
The top 4 solar flares from sunspot region 8507
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.77 | 1999/04/03 | 14:52 | 15:01 | 15:09 | |
| 2 | C1.18 | 1999/04/03 | 18:12 | 18:19 | 18:40 | |
| 3 | C1.09 | 1999/04/03 | 11:37 | 11:42 | 11:48 | |
| 4 | C1.08 | 1999/04/06 | 20:35 | 20:40 | 20:42 |
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 106.6 -45.9 |
| Last 30 days | 116.1 -41.8 |