Sunspot region AR11257

Number of
sunspots
Size Class Magn. Class Spot Location
2011/07/18 12 50 DAI N19W56
2011/07/19 12 120 DSI N20W69
2011/07/20 3 240 DSO N20W83
BC
31

The top 4 solar flares from sunspot region 11257

Start Maximum End
1C1.122011/07/1718:5219:2619:46
2B6.852011/07/1707:5208:2208:28
3B5.682011/07/1711:2811:3211:36
4B4.862011/07/1710:2610:2910:32

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Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/13M1.7
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024166 -0.4
Last 30 days163.2 +18.4

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
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DstG
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*since 1994

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