Sunspot region AR13935

Number of
sunspots
Size Class Magn. Class Spot Location
2024/12/22 1 140 HSX S18E67
2024/12/23 2 150 CSO S20E56
2024/12/24 2 150 CSO S18E40
2024/12/25 2 150 CSO S18E29
2024/12/26 2 150 CAO S18E15
2024/12/27 1 60 HSX S19E01
2024/12/28 1 80 HSX S18W13
2024/12/29 1 60 HSX S19W26
2024/12/30 1 70 HSX S18W38
2024/12/31 1 70 HAX S17W52
2025/01/01 1 50 HSX S19W65
2025/01/02 1 50 HSX S19W78
2025/01/03 1 60 HSX S18W91
2025/01/04 1 60 HSX S18W0*

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Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/01/29M1.0
Last geomagnetic storm2025/01/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2024154.5 +2
January 2025145.3 -9.2
Last 30 days145.9 +11.5

This day in history*

Solar flares
12014M9.58
22015M3.48
32014M3.09
42015M2.98
52015M2.48
DstG
11977-95G1
21978-88G2
31957-79G2
42003-66G1
51963-57G1
*since 1994

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