Sunspot region AR10578

Number of
sunspots
Size Class Magn. Class Spot Location
2004/03/19 2 60 HAX N15E76
2004/03/20 11 80 DAO N15E60
2004/03/21 16 160 DSC N15E47
2004/03/22 14 180 EAO N15E34
2004/03/23 21 120 EAO N16E20
2004/03/24 31 190 FSC N15E05
2004/03/25 27 190 EAO N15W07
2004/03/26 24 180 EAO N15W21
2004/03/27 18 150 EAO N15W34
2004/03/28 9 60 EAO N15W47
2004/03/29 2 20 HSX N14W57
2004/03/30 3 10 BXO N13W69
BCM
10331

The top 10 solar flares from sunspot region 10578

Start Maximum End
1M2.252004/03/1822:2622:3622:40
2C5.372004/03/1805:5806:0506:11
3C5.292004/03/1819:2119:2719:34
4C4.522004/03/1812:0212:2212:34
5C3.892004/03/1814:4114:4614:50
6C3.692004/03/1912:1113:1713:39
7C2.992004/03/1902:3002:3602:40
8C2.892004/03/2123:5600:0900:21
9C2.592004/03/1901:1201:1701:27
10C2.552004/03/1910:0310:1210:24
The solar wind speed is currently moderately high (618.8 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)


10:00 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 78GW at 10:32 UTC


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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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