Sunspot region AR9402
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/03/26 | 3 | 10 | BXO | N17E16 | |
| 2001/03/27 | 3 | 10 | CRO | N16E02 | |
| 2001/03/28 | 4 | 10 | CRO | N14W11 | |
| 2001/03/29 | 3 | 10 | AXX | N18W25 | |
| 2001/03/30 | 1 | 10 | HRX | N18W47 | |
| 2001/04/01 | 3 | 20 | CRO | N20W57 |
| C | M |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 9402
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.29 | 2001/03/25 | 16:25 | 16:36 | 17:10 | |
| 2 | C9.06 | 2001/03/27 | 07:52 | 08:07 | 08:27 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 121 +35.1 |
| Last 30 days | 101.1 +44.7 |
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