Sunspot region AR13520

Number of
sunspots
Size Class Magn. Class Spot Location
2023/12/13 11 210 CAO N10W34
2023/12/14 1 120 HSX N12W44
2023/12/15 4 60 CSO N11W59
2023/12/16 5 80 CSO N08W73
2023/12/17 3 40 CSO N10W86
2023/12/18 3 40 CSO N10W0*
C
1

The top 1 solar flares from sunspot region 13520

Start Maximum End
1C1.72023/12/1704:3704:4504:53

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Space weather facts

Last X-flare2024/11/06X2.3
Last M-flare2024/11/08M1.4
Last geomagnetic storm2024/10/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024194.5 +28.1
Last 30 days160.1 +7.7

This day in history*

Solar flares
12013X1.59
22001X1.3
32000X1.07
42001M6.04
52000M4.14
DstG
12004-374G4
21991-280G4
31998-149G4
41961-78G2
51999-73G1
*since 1994

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