Sunspot region AR11718

Number of
sunspots
Size Class Magn. Class Spot Location
2013/04/05 2 10 AXX N23E45
2013/04/06 10 130 DSI N22E33
2013/04/07 14 140 DAI N20E20
2013/04/08 34 220 DAO N22E07
2013/04/09 21 190 DAC N21W06
2013/04/10 34 280 DKC N22W19
2013/04/11 24 340 DKC N22W32
2013/04/12 23 510 DKC N21W46
2013/04/13 25 350 DKC N21W58
2013/04/14 12 260 DKC N20W70
2013/04/15 4 110 DAI N20W84
2013/04/16 4 110 DAI N20W98
BCM
2241

The top 10 solar flares from sunspot region 11718

Start Maximum End
1M4.792013/04/1219:5220:3820:46
2C4.852013/04/1017:5618:0118:04
3C4.442013/04/0715:5516:0016:04
4C4.142013/04/0908:3008:5909:17
5C3.232013/04/1204:0204:1404:22
6C3.192013/04/0907:1707:2407:28
7C3.182013/04/1112:4112:4712:53
8C3.112013/04/1218:4018:4819:01
9C2.712013/04/1303:2903:3403:36
10C2.542013/04/1001:5002:1602:25

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Last X-flare2025/12/08X1.1
Last M-flare2025/12/31M7.11
Last geomagnetic storm2026/01/10Kp6 (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
January 2026102.5 -21.5
Last 30 days99.7 -8.9

This day in history*

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DstG
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*since 1994

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