Sunspot region AR8354
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/10/08 | 8 | 50 | DAO | S18E00 | |
| 1998/10/09 | 8 | 20 | CRO | S18W14 | |
| 1998/10/10 | 1 | 0 | AXX | S18W31 | |
| 1998/10/11 | 1 | 0 | AXX | S18W46 | |
| 1998/10/13 | 1 | 10 | AXX | S22W64 |
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 8354
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B5.54 | 1998/10/12 | 14:06 | 14:10 | 14:16 |
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| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.4 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| April 2025 | 147 -7.6 |
| Last 30 days | 128.8 -21.8 |