Sunspot region AR8118
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1997/12/09 | 5 | 20 | BXO | S38E37 | |
| 1997/12/10 | 7 | 70 | CAO | S39E25 | |
| 1997/12/11 | 1 | 70 | HSX | S39E09 | |
| 1997/12/12 | 1 | 40 | HSX | S39W03 | |
| 1997/12/13 | 1 | 50 | HSX | S38W14 | |
| 1997/12/14 | 1 | 50 | HSX | S40W27 | |
| 1997/12/15 | 1 | 40 | HSX | S41W39 | |
| 1997/12/16 | 1 | 30 | HSX | S39W52 | |
| 1997/12/17 | 1 | 20 | HSX | S40W64 | |
| 1997/12/18 | 1 | 20 | AXX | S39W78 |
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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Latest alerts
00:00 UTC - Solar flare
Moderate M1.79 flare
Friday, 28 March 2025
23:36 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.04)
21:24 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 51GW at 21:59 UTC
19:45 UTC - Solar flare
Moderate M1.16 flare
19:27 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.1)
Space weather facts
| 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 | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 128.3 -26.4 |
| Last 30 days | 128.3 -23.7 |