Sunspot region AR9916
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/04/22 | 4 | 150 | DAO | S17E71 | |
| 2002/04/23 | 8 | 150 | DSO | S17E60 | |
| 2002/04/24 | 9 | 150 | DAO | S18E47 | |
| 2002/04/25 | 19 | 100 | EAO | S18E32 | |
| 2002/04/26 | 9 | 50 | DAO | S17E20 | |
| 2002/04/27 | 7 | 30 | CSO | S06E07 | |
| 2002/04/28 | 6 | 20 | CSO | S18W06 | |
| 2002/04/29 | 7 | 30 | CRO | S18W19 | |
| 2002/04/30 | 4 | 30 | CSO | S15W30 |
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 9916
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7.89 | 2002/04/22 | 05:43 | 05:47 | 05:50 | |
| 2 | C3.37 | 2002/04/24 | 16:32 | 16:41 | 16:57 |
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.1 |
| 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 | 160.6 +68.8 |
| Last 30 days | 108.7 +12.8 |