Sunspot region AR8371
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/10/29 | 4 | 10 | BXO | S21E36 | |
| 1998/10/30 | 3 | 20 | CRO | S21E22 | |
| 1998/10/31 | 1 | 0 | AXX | S22E05 | |
| 1998/11/02 | 1 | 0 | AXX | S21W18 |
| M |
|---|
| 1 |
The top 1 solar flares from sunspot region 8371
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.56 | 1998/11/06 | 15:07 | 15:11 | 15:13 |
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.5 |
| 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 | 152.5 -2.1 |
| Last 30 days | 130.7 -17.9 |