Sunspot region AR11423
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/02/24 | 1 | 120 | HSX | N18E70 | |
| 2012/02/25 | 1 | 110 | HSX | N18E56 | |
| 2012/02/26 | 1 | 90 | HSX | N18E42 | |
| 2012/02/27 | 1 | 90 | HSX | N17E29 | |
| 2012/02/28 | 1 | 100 | HSX | N18E15 | |
| 2012/02/29 | 1 | 110 | HSX | N17E03 | |
| 2012/03/01 | 1 | 120 | HSX | N17W09 | |
| 2012/03/02 | 1 | 90 | HSX | N17W21 | |
| 2012/03/03 | 1 | 80 | HSX | N17W36 | |
| 2012/03/04 | 1 | 80 | HSX | N17W48 | |
| 2012/03/05 | 1 | 70 | HSX | N17W61 | |
| 2012/03/06 | 1 | 120 | HSX | N16W75 | |
| 2012/03/07 | 1 | 30 | HSX | N18W90 |
| B | C |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 11423
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.85 | 2012/03/01 | 15:10 | 15:26 | 15:36 | |
| 2 | B3.31 | 2012/02/29 | 14:25 | 14:28 | 14:34 |
Latest news
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.8 |
| 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 |
| February 2026 | 141.3 +17.3 |
| Last 30 days | 123.1 +14.7 |