Sunspot region AR10572
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/03/13 | 6 | 20 | CSO | N19W05 | |
| 2004/03/14 | 10 | 110 | DAO | N19W19 | |
| 2004/03/15 | 11 | 100 | DSO | N19W32 | |
| 2004/03/16 | 8 | 90 | CSO | N19W45 | |
| 2004/03/17 | 1 | 40 | HSX | N19W58 | |
| 2004/03/18 | 1 | 40 | HSX | N19W72 |
| B | C |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 10572
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.35 | 2004/03/17 | 09:18 | 09:31 | 09:44 | |
| 2 | B4.53 | 2004/03/17 | 01:50 | 01:56 | 02:01 |
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/13 | M1.19 |
| Last geomagnetic storm | 2026/03/13 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 83.5 +5.3 |
| Last 30 days | 58.3 -70.3 |