Sunspot region AR10837

Number of
sunspots
Size Class Magn. Class Spot Location
2005/12/18 4 20 DSO S10E22
2005/12/19 8 60 DAO S10E09
2005/12/20 22 200 DKI S10W06
2005/12/21 21 210 DAI S11W20
2005/12/22 13 140 DSO S11W32
2005/12/23 15 110 DSO S10W46
2005/12/24 1 90 HAX S11W63
2005/12/25 1 50 HAX S09W83
2005/12/26 1 30 AXX S09W92
B
11

The top 10 solar flares from sunspot region 10837

Start Maximum End
1B5.962005/12/1906:4906:5306:55
2B4.332005/12/1914:0814:1514:25
3B3.262005/12/1914:5615:0015:02
4B3.022005/12/2208:1708:2108:24
5B2.472005/12/1920:0220:0520:08
6B2.112005/12/2008:3908:4508:54
7B1.942005/12/2110:1710:2110:23
8B1.882005/12/2018:5118:5518:58
9B1.792005/12/2112:3812:4312:47
10B1.672005/12/1911:0011:0411:07
The solar wind speed is currently moderately high (618.2 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)


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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