Sunspot region AR10577

Number of
sunspots
Size Class Magn. Class Spot Location
2004/03/18 1 60 HSX S01E77
2004/03/19 1 40 HAX N00E09
2004/03/20 1 70 HSX S01E52
2004/03/21 1 70 HSX S01E39
2004/03/22 1 40 HSX N00E27
2004/03/23 1 40 HSX N00E13
2004/03/24 4 50 CSO N00W01
2004/03/25 4 60 CSO S01W14
2004/03/26 5 50 CSO N00W25
2004/03/27 6 60 CSO N00W38
2004/03/28 1 20 HSX S02W54
2004/03/29 1 20 HAX S03W68
2004/03/30 1 20 HRX S03W81
BC
24

The top 6 solar flares from sunspot region 10577

Start Maximum End
1C8.222004/03/2414:1714:2614:38
2C5.312004/03/2512:0112:1212:25
3C2.782004/03/2421:2721:3821:48
4C1.192004/03/1915:0815:2415:31
5B8.662004/03/3019:0619:1519:25
6B5.632004/03/2313:4513:4913:52
The solar wind speed is currently moderately high (602 km/sec.)

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Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:50 UTC

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Saturday, 5 April 2025
20:30 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 20:20 UTC

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20:24 UTC - Solar flare

Moderate M1.05 flare

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20:09 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.05)


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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/05M1.0
Last geomagnetic storm2025/04/05Kp6- (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025150.4 +16.2
Last 30 days131.6 -13.4

This day in history*

Solar flares
12001X8.08
22004M3.44
32023M3.01
42000M2.7
52006M2.02
DstG
12000-291G4
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*since 1994

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