Sunspot region AR8277
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/07/21 | 6 | 20 | CRO | S13W26 | |
| 1998/07/22 | 12 | 100 | CSO | S13W41 | |
| 1998/07/23 | 9 | 110 | DAO | S14W54 | |
| 1998/07/24 | 4 | 50 | CAO | S16W67 | |
| 1998/07/25 | 1 | 40 | AXX | S14W84 |
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
07:15 UTC - 10cm Radio Burst
Begin Time: 01/04/2025 06:45 UTC Maximum Time: 01/04/2025 06:45 UTC Duration: 1 minutes. Peak flux: 190 sfu
07:06 UTC - Solar flare
Strong M5.61 flare
06:48 UTC - Radio Blackout
Moderate R2 radio blackout in progress (≥M5 - current: M5.36)
06:45 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.7)
02:15 UTC - Solar protons
Moderate S2 Solar Radiation Storm - Infrequent effects on HF radio through polar regions and satellite operations
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M5.6 |
| 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 |
| Last 30 days | 128.5 -22.7 |