Sunspot region AR11713

Number of
sunspots
Size Class Magn. Class Spot Location
2013/04/02 8 60 CAO N08E22
2013/04/03 6 30 CRO N10E08
2013/04/04 17 30 CRO N09W06
2013/04/05 19 70 DAI N10W19
2013/04/06 16 130 DAI N10W33
2013/04/07 13 120 DAI N11W47
2013/04/08 16 190 CSO N09W61
2013/04/09 16 180 DAO N09W74
2013/04/10 7 180 DAI N08W88
2013/04/11 7 180 DAI N08W0*
BC
311

The top 10 solar flares from sunspot region 11713

Start Maximum End
1C6.072013/04/1019:0219:1919:41
2C5.622013/04/1023:3023:3823:48
3C3.122013/04/0900:1400:2100:30
4C2.312013/04/0716:4916:5817:09
5C2.192013/04/0823:4523:4823:51
6C1.782013/04/0409:4909:5710:03
7C1.472013/04/1011:5311:5611:58
8C1.352013/04/0215:1015:1515:19
9C1.342013/04/0317:0917:1717:26
10C1.272013/04/0803:5604:0204:25

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Last X-flare2026/02/04X4.3
Last M-flare2026/02/12M1.4
Last geomagnetic storm2026/02/05Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2026112.6 -11.4
February 2026121.7 +9.1
Last 30 days131.5 +34.7

This day in history*

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12011M9.49
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32016M2.57
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DstG
11982-102G2
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*since 1994

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