Sunspot region AR8426
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/01/01 | 1 | 10 | AXX | N14E55 | |
| 1999/01/02 | 1 | 10 | AXX | N14E41 | |
| 1999/01/03 | 6 | 10 | BXO | N15E27 | |
| 1999/01/04 | 12 | 20 | CRO | N15E16 | |
| 1999/01/05 | 12 | 50 | DAO | N15E04 | |
| 1999/01/06 | 12 | 150 | DAO | N15W10 | |
| 1999/01/07 | 13 | 160 | EAO | N14W24 | |
| 1999/01/08 | 8 | 140 | EAO | N15W37 | |
| 1999/01/09 | 3 | 80 | ESO | N14W50 | |
| 1999/01/10 | 3 | 90 | ESO | N14W64 | |
| 1999/01/11 | 3 | 50 | CSO | N14W74 | |
| 1999/01/12 | 1 | 30 | HSX | N14W83 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 8426
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.03 | 1999/01/03 | 19:46 | 19:50 | 19:53 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
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| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
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