Sunspot region AR8558
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/05/29 | 1 | 20 | HRX | N14E68 | |
| 1999/05/30 | 12 | 120 | DSI | N16E56 | |
| 1999/05/31 | 29 | 300 | DAI | N16E43 | |
| 1999/06/01 | 19 | 410 | DSO | N16E30 | |
| 1999/06/02 | 21 | 570 | DKI | N15E18 | |
| 1999/06/03 | 23 | 600 | DKI | N15E04 | |
| 1999/06/04 | 23 | 600 | DKI | N16W09 | |
| 1999/06/05 | 24 | 390 | DKI | N16W22 | |
| 1999/06/06 | 23 | 330 | DAI | N16W35 | |
| 1999/06/07 | 17 | 210 | DSO | N16W49 | |
| 1999/06/08 | 9 | 180 | DAO | N16W62 | |
| 1999/06/09 | 4 | 120 | DAO | N15W76 | |
| 1999/06/10 | 2 | 80 | CAO | N15W92 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 8558
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.76 | 1999/05/30 | 19:12 | 19:16 | 19:21 |
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| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/03/28 | M1.7 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| March 2025 | 128.3 -26.4 |
| Last 30 days | 128.3 -23.7 |