Sunspot region AR8770
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/11/17 | 5 | 40 | DSO | S14W23 | |
| 1999/11/18 | 8 | 50 | DSO | S14W37 | |
| 1999/11/19 | 9 | 110 | DAO | S13W51 | |
| 1999/11/20 | 8 | 90 | DSO | S14W65 | |
| 1999/11/21 | 7 | 60 | CSO | S13W80 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 8770
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.13 | 1999/11/18 | 18:46 | 18:52 | 18:57 |
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 118.7 -5.3 |
| Last 30 days | 120.4 +5.6 |