Sunspot region AR10909

Number of
sunspots
Size Class Magn. Class Spot Location
2006/09/07 15 50 CSI S08E25
2006/09/08 5 30 CAO S09E09
2006/09/09 15 60 DSO S09W04
2006/09/10 14 80 DSI S08W17
2006/09/11 10 80 DRO S11W30
2006/09/12 5 30 DRO S10W46
2006/09/13 3 20 BXO S09W60
2006/09/14 2 60 BXO S09W80
2006/09/15 1 30 AXX S08W95
BC
212

The top 10 solar flares from sunspot region 10909

Start Maximum End
1C1.512006/09/1407:2707:3507:49
2C1.082006/09/1304:0704:1604:21
3B8.682006/09/1006:4907:2308:15
4B8.142006/09/08B1:0110:5811:46
5B6.352006/09/0801:3001:3901:47
6B6.112006/09/0706:2807:4608:28
7B5.972006/09/1412:2312:4112:47
8B5.62006/09/0907:1007:2207:46
9B5.522006/09/0903:0403:1603:26
10B4.782006/09/0802:3402:3902:45
The solar wind speed is currently moderately high (602 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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