Sunspot region AR11691

Number of
sunspots
Size Class Magn. Class Spot Location
2013/03/09 3 20 CRO N12E46
2013/03/10 7 40 CAO N12E31
2013/03/11 7 60 CAO N13E16
2013/03/12 2 60 CSO N13E01
2013/03/13 9 70 DAO N14W26
2013/03/14 8 120 DAO N13W39
2013/03/15 5 90 CSO N12W51
2013/03/16 7 120 CSO N12W64
2013/03/17 2 120 CSO N12W78
BC
61

The top 7 solar flares from sunspot region 11691

Start Maximum End
1C3.062013/03/1405:4505:5406:02
2B9.512013/03/1419:2919:4419:52
3B9.432013/03/1323:3323:4023:50
4B9.322013/03/1002:1903:3103:53
5B9.322013/03/1410:2610:3310:45
6B6.932013/03/1504:2904:3204:35
7B6.712013/03/1005:3005:3805:52

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Last X-flare2026/02/04X4.3
Last M-flare2026/02/08M2.8
Last geomagnetic storm2026/02/05Kp5+ (G1)
Spotless days
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Monthly mean Sunspot Number
January 2026112.6 -11.4
February 2026135.3 +22.7
Last 30 days127.2 +23.7

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