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Sunspot region AR11721

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/04/10 4 10 BXO S18E35
2013/04/11 10 80 DAO S19E20
2013/04/12 17 220 DAI S18E06
2013/04/13 18 190 DSI S18W07
2013/04/14 13 180 DSO S19W21
2013/04/15 12 140 ESI S18W33
2013/04/16 6 110 DAO S18W47
2013/04/17 5 120 CSO S17W61
2013/04/18 2 100 CSO S17W75
2013/04/19 1 60 HSX S18W86
2013/04/20 1 60 HSX S18W0*
C
2

The top 2 solar flares from sunspot region 11721

Start Maximum End
1C5.972013/04/1110:0910:1310:15
2C1.752013/04/1012:5412:5813:04
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Last X-flare2024/12/08X2.2
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This day in history*

Solar flares
11999M7.71
22013M4.82
32023M3.33
42013M2.8
51999M2.61
DstG
11982-101G3
22014-71G1
32001-59
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*since 1994

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