Sunspot region AR13508

Number of
sunspots
Size Class Magn. Class Spot Location
2023/11/29 1 40 HSX S14E65
2023/11/30 1 40 HSX S15E53
2023/12/01 1 60 HSX S15E40
2023/12/02 1 60 HSX S18E26
2023/12/03 1 60 HSX S15E11
2023/12/04 1 60 HSX S15W02
2023/12/05 1 90 HSX S15W16
2023/12/06 1 80 HSX S14W29
2023/12/07 1 80 HSX S14W41
2023/12/08 1 60 HSX S15W54
2023/12/09 1 40 HSX S15W68
2023/12/10 1 30 HAX S16W82
2023/12/11 1 30 HAX S16W96

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Space weather facts

Last X-flare2025/12/01X1.9
Last M-flare2025/12/04M6.0
Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025186 +94.2
Last 30 days106.3 +12.6

This day in history*

Solar flares
12006X12.9
22006M2.63
32024M2.5
42014M2.22
52023M1.5
DstG
11958-176G3
21959-166G4
31989-79G1
41977-72G1
51982-55
*since 1994

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