Sunspot region AR8364
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/10/18 | 4 | 10 | BXO | N18E24 | |
| 1998/10/19 | 5 | 30 | CRO | N19E13 | |
| 1998/10/20 | 4 | 10 | BXO | N19W02 | |
| 1998/10/21 | 3 | 0 | BXO | N19W16 | |
| 1998/10/22 | 4 | 10 | BXO | N18W27 |
Latest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
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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 | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 143 +8.8 |
| Last 30 days | 130.4 -16.1 |