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Real-time auroral and solar activity

Sunspot region AR11857

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/10/03 1 70 HAX S06E66
2013/10/04 1 100 HSX S08E54
2013/10/05 4 100 CAO S07E41
2013/10/06 1 110 HSX S08E28
2013/10/07 1 110 HSX S08E14
2013/10/08 1 80 HSX S07E01
2013/10/09 1 90 HSX S08W11
2013/10/10 1 110 HSX S07W24
2013/10/11 1 100 HSX S08W37
2013/10/12 1 100 HSX S08W51
2013/10/13 1 80 HSX S08W65
2013/10/14 1 70 HSX S08W78
2013/10/15 1 30 HSX S07W90
2013/10/16 1 30 HSX S07W0*
BC
42

The top 6 solar flares from sunspot region 11857

Start Maximum End
1C2.572013/10/0319:4420:2320:49
2C1.192013/10/0600:1600:5101:03
3B9.782013/10/0920:2020:2720:32
4B8.162013/10/0210:4610:5211:01
5B7.332013/10/0504:3404:4104:48
6B6.492013/10/0420:5921:1021:16
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Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Gillam, MB, Whitehorse, YT, Yellowknife, NT
The solar wind speed is currently moderately high (530.8 km/sec.)

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Latest alerts

01:45 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 01:41 UTC

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Wednesday, 9 April 2025
08:12 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 76GW at 08:57 UTC

02:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:45 UTC

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Tuesday, 8 April 2025
23:57 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 50GW at 00:44 UTC

22:42 UTC - Solar flare

Moderate M1.57 flare

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/08M1.5
Last geomagnetic storm2025/04/06Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025144.7 +10.5
Last 30 days138.4 +2.2

This day in history*

Solar flares
12001X3.14
22002X1.17
32023M2.83
42002M2.34
52000M1.23
DstG
11990-281G4
21982-137G3
31957-124G3
41959-122G4
51960-81G3
*since 1994

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