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Sunspot region AR13721

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/06/21 1 20 HSX N27E59
2024/06/22 1 90 HSX N27E45
2024/06/23 1 100 HSX N26E45
2024/06/24 1 100 HAX N25E38
2024/06/25 2 100 HAX N25E24
2024/06/26 2 100 HAX N25E11
2024/06/27 2 90 HAX N25W03
2024/06/28 3 110 HAX N25W16
2024/06/29 3 90 HAX N26W29
2024/06/30 3 60 HAX N26W41
2024/07/01 2 60 HAX N26W55
2024/07/02 2 20 HAX N26W68
2024/07/03 1 10 AXX N26W81
C
2

The top 2 solar flares from sunspot region 13721

Start Maximum End
1C3.92024/06/2301:1101:1901:31
2C2.32024/07/0506:1206:1906:28
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Last X-flare2026/02/03X1.5
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Last geomagnetic storm2026/01/28Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
February 2026114 -10
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This day in history*

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*since 1994

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