Sunspot region AR8571
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/06/06 | 3 | 30 | HRX | S19E60 | |
| 1999/06/07 | 11 | 150 | CAO | S19E48 | |
| 1999/06/08 | 10 | 230 | CAO | S19E36 | |
| 1999/06/09 | 15 | 210 | DAO | S19E23 | |
| 1999/06/10 | 13 | 130 | DSO | S19E09 | |
| 1999/06/11 | 8 | 50 | CSO | S20W05 | |
| 1999/06/12 | 3 | 40 | CSO | S19W17 | |
| 1999/06/13 | 4 | 30 | CSO | S19W31 | |
| 1999/06/14 | 4 | 20 | CSO | S19W44 | |
| 1999/06/15 | 1 | 0 | AXX | S20W57 | |
| 1999/06/16 | 1 | 0 | AXX | S20W71 | |
| 1999/06/17 | 1 | 0 | AXX | S18W84 |
Latest news
Friday, 28 March 2025
X1.1 solar flare
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Saturday, 22 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
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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 |