Sunspot region AR8576
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/06/07 | 4 | 10 | BXO | S29E52 | |
| 1999/06/08 | 7 | 10 | BXO | S29E40 | |
| 1999/06/09 | 7 | 10 | BXO | S29E26 | |
| 1999/06/10 | 3 | 10 | BXO | S29E10 | |
| 1999/06/11 | 1 | 0 | AXX | S28W07 | |
| 1999/06/12 | 3 | 10 | BXO | S29W18 | |
| 1999/06/13 | 14 | 60 | DRO | S28W29 | |
| 1999/06/14 | 16 | 80 | DAI | S28W40 | |
| 1999/06/15 | 13 | 110 | DAO | S28W54 | |
| 1999/06/16 | 5 | 100 | DSO | S29W66 | |
| 1999/06/17 | 3 | 90 | DSO | S29W78 | |
| 1999/06/18 | 3 | 60 | CSO | S27W91 |
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Friday, 28 March 2025
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02:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:50 UTC
Saturday, 5 April 2025
20:30 UTC - Geomagnetic activity
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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 |