Sunspot region AR13647

Number of
sunspots
Size Class Magn. Class Spot Location
2024/04/18 10 140 DAC S10E12
2024/04/19 9 160 DAC S10W02
2024/04/20 10 200 DAC S13W15
2024/04/21 12 220 DAC S13W29
2024/04/22 17 200 DAC S13W44
2024/04/23 20 190 DAC S13W56
2024/04/24 12 140 DAI S13W67
2024/04/25 8 120 DAC S13W82
2024/04/26 3 80 BXO S13W92
CM
105

The top 10 solar flares from sunspot region 13647

Start Maximum End
1M2.12024/04/1904:4004:5305:03
2M1.62024/04/1819:2220:0120:12
3M1.62024/04/1820:1220:1620:21
4M1.12024/04/2422:2722:5022:54
5M1.02024/04/1912:5313:0613:23
6C6.52024/04/2200:3000:3901:13
7C5.42024/04/2120:4220:5521:10
8C4.12024/04/1901:3701:4801:52
9C4.12024/04/1901:5101:5702:01
10C3.92024/04/2607:4107:4807:58

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Space weather facts

Last X-flare2026/02/04X4.3
Last M-flare2026/02/04M1.8
Last geomagnetic storm2026/01/28Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
February 2026133 +9
Last 30 days120.6 +10.9

This day in history*

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DstG
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*since 1994

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