Sunspot region AR11904

Number of
sunspots
Size Class Magn. Class Spot Location
2013/11/24 17 80 DAI N12W67
2013/11/25 12 130 DAI N12W82
2013/11/26 2 60 HAX N12W95
2013/11/27 2 60 HAX N12W0*
CM
112

The top 10 solar flares from sunspot region 11904

Start Maximum End
1M1.692013/11/2302:2002:3202:49
2M1.542013/11/2312:4912:5713:05
3C6.752013/11/2407:4307:5207:56
4C4.62013/11/2401:3602:3102:47
5C4.522013/11/2303:2403:3903:50
6C4.52013/11/2409:3309:4009:47
7C2.912013/11/2510:0211:4912:16
8C2.452013/11/2407:0207:0707:14
9C2.222013/11/2304:3704:4204:45
10C1.972013/11/2400:4200:4600:55
The solar wind speed is currently moderately high (626.2 km/sec.)

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02:00 UTC - Geomagnetic activity

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

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