Sunspot region AR13929

Number of
sunspots
Size Class Magn. Class Spot Location
2024/12/20 1 20 HSX N17E31
2024/12/21 1 10 AXX N18E18
2024/12/22 1 10 AXX N18E04
2024/12/23 4 20 BXO N16W10
2024/12/24 2 10 BXO N15W26
2024/12/25 1 10 AXX N15W42
2024/12/27 2 10 BXO N18W67
2024/12/28 3 30 CAO N18W81
2024/12/29 3 30 CAO N17W94
2024/12/30 3 30 CAO N18W0*
CM
21

The top 3 solar flares from sunspot region 13929

Start Maximum End
1M1.022024/12/2902:2802:3502:38
2C6.22024/12/2807:1207:1707:27
3C4.82024/12/2022:3622:4522:56

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Space weather facts

Last X-flare2025/12/08X1.1
Last M-flare2026/01/11M3.3
Last geomagnetic storm2026/01/11Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
January 202696.8 -27.3
Last 30 days98.4 -9.3

This day in history*

Solar flares
12015M8.1
22015M7.09
32023M3.9
42002M3.2
52013M2.47
DstG
11999-112G3
21996-90G1
31967-86G2
41989-70
51992-69G1
*since 1994

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