Sunspot region AR9721
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/11/29 | 1 | 120 | HAX | N10E78 | |
| 2001/11/30 | 3 | 130 | CAO | N12E70 | |
| 2001/12/01 | 3 | 140 | DSO | N13E57 | |
| 2001/12/02 | 4 | 160 | DAO | N13E43 | |
| 2001/12/03 | 7 | 170 | CAO | N13E30 | |
| 2001/12/04 | 6 | 190 | CAO | N13E16 | |
| 2001/12/05 | 3 | 200 | CSO | N12E02 | |
| 2001/12/06 | 1 | 210 | HSX | N11W11 | |
| 2001/12/07 | 3 | 220 | HSX | N11W25 | |
| 2001/12/08 | 4 | 130 | CAO | N12W37 | |
| 2001/12/09 | 4 | 100 | DAO | N11W52 | |
| 2001/12/10 | 3 | 110 | DAO | N11W64 | |
| 2001/12/11 | 2 | 100 | DSO | N11W79 | |
| 2001/12/12 | 2 | 60 | DSO | N11W93 |
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
02:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:50 UTC
Saturday, 5 April 2025
20:30 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 20:20 UTC
20:24 UTC - Solar flare
Moderate M1.05 flare
20:09 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.05)
10:00 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 78GW at 10:32 UTC
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/05 | M1.0 |
| Last geomagnetic storm | 2025/04/05 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 150.4 +16.2 |
| Last 30 days | 131.6 -13.4 |