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Real-time auroral and solar activity

Sunspot region AR13866

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/10/21 6 30 CAI S08E58
2024/10/22 11 40 CAO S03E45
2024/10/23 11 20 BXI S12E31
2024/10/24 7 10 BXO S06E21
2024/10/25 3 10 BXO S11E06
2024/10/26 2 10 BXO S12W08
2024/10/27 2 10 BXO S12W22
2024/10/28 4 10 BXO S12W36
2024/10/29 4 10 BXO S12W50
C
3

The top 3 solar flares from sunspot region 13866

Start Maximum End
1C4.52024/10/2311:1111:2011:26
2C3.52024/10/2310:1910:2210:28
3C2.82024/10/2506:5206:5907:05
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The solar wind speed is currently moderately high (542.4 km/sec.)
The strength of the interplanetary magnetic field is moderate (14.4nT), the direction is North (10.62nT).

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01:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:30 UTC

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Tuesday, 15 April 2025
22:30 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 22:23 UTC

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22:15 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 22:00 UTC

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20:00 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 19:44 UTC

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19:15 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 18:59 UTC

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/15M1.2
Last geomagnetic storm2025/04/15Kp6+ (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025124.1 -10.1
Last 30 days124.7 -16.6

This day in history*

Solar flares
12002M3.66
22012M2.54
32001M1.68
42014M1.47
52002M1.33
DstG
12015-88G2
21973-79G2
32000-78
41971-73
52024-65G1
*since 1994

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