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Sunspot region AR13730

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/06/27 5 30 CSO S18E09
2024/06/28 5 50 CAO S18W05
2024/06/29 4 20 CRO S18W19
2024/06/30 1 10 AXX S19W25
2024/07/01 4 30 DRO S17W47
2024/07/02 6 30 CRO S18W58
2024/07/03 4 10 BXO S19W75
2024/07/04 2 10 BXO S18W85
CM
42

The top 6 solar flares from sunspot region 13730

Start Maximum End
1M2.12024/07/0110:5111:0211:07
2M1.42024/07/0419:5420:0520:13
3C6.52024/06/2723:3823:4723:51
4C4.72024/07/0220:4520:5721:09
5C4.22024/07/0412:2112:4112:54
6C2.52024/07/0310:5211:0111:09
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Last X-flare2026/02/04X4.21
Last M-flare2026/03/18M2.7
Last geomagnetic storm2026/03/23Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (4%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
March 202677.7 -0.5
Last 30 days72.3 -15.7

This day in history*

Solar flares
12000X2.61
22000M4.09
32000M3.71
42024M2.7
52001M2.43
DstG
11991-281G4
21969-228G4
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*since 1994

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