Monday, 4 May 2020 14:22 UTC
Time flies. Another month has passed and summer along with shorter nights is closing in for us northern hemisphere sky watchers.
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Begin Time: 01/04/2025 06:45 UTC Maximum Time: 01/04/2025 06:45 UTC Duration: 1 minutes. Peak flux: 190 sfu
Strong M5.61 flare
Moderate R2 radio blackout in progress (≥M5 - current: M5.36)
Minor R1 radio blackout in progress (≥M1 - current: M1.7)
Moderate S2 Solar Radiation Storm - Infrequent effects on HF radio through polar regions and satellite operations
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 | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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February 2025 | 154.6 +17.6 |
Last 30 days | 128.5 -22.7 |