Sunspot region AR11925

Number of
sunspots
Size Class Magn. Class Spot Location
2013/12/14 4 30 CRO S08E56
2013/12/16 3 20 HRX S07E28
2013/12/17 4 10 BXO S09E16
2013/12/18 4 10 BXO S09E16
C
2

The top 2 solar flares from sunspot region 11925

Start Maximum End
1C2.032013/12/1421:5221:5922:09
2C1.632013/12/1409:2609:4009:43

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Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/01/05M2.5
Last geomagnetic storm2025/01/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2024154.5 +2
January 2025179.8 +25.3
Last 30 days146.1 +17.3

This day in history*

Solar flares
12004M9.9
22025M4.1
32025M4.1
42002M2.82
52013M2.58
DstG
11978-121G2
21989-92G2
31959-84G2
41979-83G1
52015-67G1
*since 1994

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