Sunspot region AR10290
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/02/19 | 4 | 10 | CRO | N17E46 | |
| 2003/02/20 | 13 | 80 | DSO | N18E31 | |
| 2003/02/21 | 22 | 310 | EAI | N17E18 | |
| 2003/02/22 | 29 | 360 | EKI | N17E05 | |
| 2003/02/23 | 19 | 350 | EKI | N18W06 | |
| 2003/02/24 | 20 | 340 | EKI | N18W21 | |
| 2003/02/25 | 23 | 240 | EAI | N18W33 | |
| 2003/02/26 | 10 | 140 | EAO | N18W47 | |
| 2003/02/27 | 7 | 140 | DAO | N18W60 | |
| 2003/02/28 | 6 | 80 | CAO | N18W75 | |
| 2003/03/01 | 1 | 50 | HSX | N18W89 |
| B | C |
|---|---|
| 4 | 13 |
The top 10 solar flares from sunspot region 10290
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C8.33 | 2003/02/22 | 09:24 | 09:29 | 09:31 | |
| 2 | C6.83 | 2003/02/22 | 05:04 | 05:10 | 05:13 | |
| 3 | C6.29 | 2003/02/21 | 19:46 | 19:50 | 19:54 | |
| 4 | C6.27 | 2003/02/22 | 01:55 | 02:03 | 02:07 | |
| 5 | C5.33 | 2003/02/21 | 15:08 | 15:14 | 15:18 | |
| 6 | C3.07 | 2003/02/22 | 10:32 | 10:44 | 10:46 | |
| 7 | C2.63 | 2003/02/19 | 14:30 | 14:37 | 14:48 | |
| 8 | C2.56 | 2003/02/19 | 22:22 | 22:32 | 22:46 | |
| 9 | C2.44 | 2003/02/22 | 11:25 | 12:20 | 12:38 | |
| 10 | C2.34 | 2003/02/21 | 05:02 | 05:06 | 05:09 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 117.9 -6.1 |
| Last 30 days | 121.2 +12.1 |