Sunspot region AR13540

Number of
sunspots
Size Class Magn. Class Spot Location
2024/01/05 9 100 DAO S18E67
2024/01/06 12 350 DKI S18E53
2024/01/07 17 310 EKI S17E47
2024/01/08 15 290 DKI S17E31
2024/01/09 14 240 CAO S18E18
2024/01/10 14 240 CAO S18E04
2024/01/11 12 150 CAO S18W10
2024/01/12 8 60 CAO S17W21
2024/01/13 13 80 CAI S18W37
2024/01/14 13 80 DAI S18W51
2024/01/15 8 160 CAI S19W65
2024/01/16 4 80 CAO S17W81
2024/01/17 4 80 CAO S20W95
C
16

The top 10 solar flares from sunspot region 13540

Start Maximum End
1C4.12024/01/1108:0708:2008:42
2C3.02024/01/0608:1708:2508:31
3C3.02024/01/1107:5608:0308:07
4C3.02024/01/1810:0510:1410:28
5C2.42024/01/0422:3622:4822:58
6C2.42024/01/0802:4802:5202:59
7C2.42024/01/1716:5717:0817:22
8C1.92024/01/0500:2300:3000:32
9C1.92024/01/1519:2419:3319:57
10C1.72024/01/0621:5321:5922:05

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Last X-flare2026/01/18X1.9
Last M-flare2026/01/21M3.4
Last geomagnetic storm2026/01/22Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
January 2026119.4 -4.6
Last 30 days121.8 +8.9

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