Sunspot region AR8807
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/12/19 | 4 | 30 | CSO | N11E68 | |
| 1999/12/20 | 4 | 40 | CSO | N11E57 | |
| 1999/12/21 | 6 | 40 | CAO | N10E44 | |
| 1999/12/22 | 7 | 30 | CSO | N11E29 | |
| 1999/12/23 | 6 | 30 | DAO | N10E16 | |
| 1999/12/24 | 5 | 20 | CAO | N11E02 | |
| 1999/12/25 | 10 | 20 | BXO | N12W11 | |
| 1999/12/26 | 6 | 10 | BXO | N11W23 | |
| 1999/12/27 | 5 | 10 | BXO | N11W37 |
| C | M |
|---|---|
| 6 | 1 |
The top 7 solar flares from sunspot region 8807
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.61 | 1999/12/22 | 01:50 | 02:16 | 02:32 | |
| 2 | C4.79 | 1999/12/20 | 15:07 | 15:16 | 15:26 | |
| 3 | C4.03 | 1999/12/20 | 09:03 | 09:08 | 09:17 | |
| 4 | C3.91 | 1999/12/22 | 01:12 | 01:19 | 01:23 | |
| 5 | C3.76 | 1999/12/19 | 23:10 | 23:13 | 23:17 | |
| 6 | C3.53 | 1999/12/25 | 20:50 | 21:00 | 21:11 | |
| 7 | C1.94 | 1999/12/21 | 02:36 | 02:55 | 03:00 |
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 85.9 -0 |
| Last 30 days | 92.1 +30.2 |
