Sunspot region AR10520
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/12/11 | 2 | 120 | HAX | N03E75 | |
| 2003/12/12 | 1 | 100 | HAX | N02E62 | |
| 2003/12/13 | 1 | 100 | HSX | N02E47 | |
| 2003/12/14 | 1 | 110 | HSX | N02E33 | |
| 2003/12/15 | 10 | 140 | DSO | N02E19 | |
| 2003/12/16 | 5 | 80 | DSO | N02E06 | |
| 2003/12/17 | 9 | 170 | DSO | N01W07 | |
| 2003/12/18 | 4 | 110 | DSO | N03W22 | |
| 2003/12/19 | 3 | 120 | DAO | N03W35 | |
| 2003/12/20 | 3 | 100 | CSO | N03W48 | |
| 2003/12/21 | 2 | 120 | CSO | N03W61 | |
| 2003/12/22 | 1 | 80 | HSX | N02W71 | |
| 2003/12/23 | 1 | 90 | HHX | N03W84 | |
| 2003/12/24 | 1 | 20 | HRX | N04W99 |
| B |
|---|
| 4 |
The top 4 solar flares from sunspot region 10520
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B6.29 | 2003/12/13 | 07:57 | 08:02 | 08:04 | |
| 2 | B4.62 | 2003/12/13 | 22:52 | 23:00 | 23:07 | |
| 3 | B3.19 | 2003/12/12 | 22:31 | 22:39 | 22:44 | |
| 4 | B1.99 | 2003/12/12 | 10:01 | 10:05 | 10:09 |
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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 | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.3 -4.7 |
| Last 30 days | 119.6 +1.6 |