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Sunspot region AR13863

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/10/18 1 60 HSX S02E69
2024/10/19 2 70 CSO S02E54
2024/10/20 6 120 CSI S02E39
2024/10/21 16 220 DAI S06E25
2024/10/22 10 130 DAI S06E17
2024/10/23 6 100 DAO S09E08
2024/10/24 4 110 DSO S08W07
2024/10/25 4 90 CSO S08W23
2024/10/26 11 120 DAI S08W37
2024/10/27 5 80 DSO S08W51
2024/10/28 7 60 DSO S08W65
2024/10/29 3 10 AXX S08W77
2024/10/30 3 10 AXX S08W91
C
5

The top 5 solar flares from sunspot region 13863

Start Maximum End
1C7.82024/10/2311:3712:1213:06
2C5.12024/10/2212:0412:1112:19
3C5.02024/10/2022:2822:3522:43
4C4.12024/10/1910:5110:5811:03
5C3.52024/10/2013:1113:2013:28
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Space weather facts

Last X-flare2026/04/24X2.5
Last M-flare2026/04/24M2.0
Last geomagnetic storm2026/04/20Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 202678.1 -7.8
Last 30 days89.4 +15.6

This day in history*

Solar flares
12026X2.5
22026X2.5
32003M4.84
42001M4.48
52001M3.35
DstG
12023-213G4
21960-171G3
32012-120G3
41990-106G2
51959-92G1
*since 1994

Aurora on this day in history

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