Sunspot region AR10581
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/03/25 | 1 | 60 | HAX | S03E81 | |
| 2004/03/26 | 1 | 100 | HSX | S03E66 | |
| 2004/03/27 | 4 | 140 | CSO | S03E53 | |
| 2004/03/28 | 1 | 120 | HSX | S04E39 | |
| 2004/03/29 | 1 | 140 | HAX | S03E24 | |
| 2004/03/30 | 1 | 160 | HSX | S04E11 | |
| 2004/03/31 | 2 | 110 | HSX | S05W02 | |
| 2004/04/01 | 2 | 100 | HSX | S05W15 | |
| 2004/04/02 | 1 | 90 | HSX | S05W28 | |
| 2004/04/03 | 2 | 100 | HSX | S05W41 | |
| 2004/04/04 | 1 | 100 | HSX | S05W55 | |
| 2004/04/05 | 1 | 90 | HSX | S04W68 | |
| 2004/04/06 | 1 | 40 | HSX | S04W83 |
| B | C |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 10581
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.99 | 2004/03/30 | 22:53 | 23:08 | 23:45 | |
| 2 | B6.1 | 2004/04/01 | 22:58 | 23:03 | 23:08 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
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| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 133 +9 |
| Last 30 days | 121.6 +13.3 |