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Sunspot region AR11781

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/06/29 4 10 CRO N22W04
2013/06/30 10 40 DAI N22W18
2013/07/01 12 90 DAI N19W31
2013/07/02 16 140 DAI N22W47
2013/07/03 12 110 DSI N22W57
2013/07/04 5 30 DSO N21W69
2013/07/05 5 30 DSO N21W69
BC
41

The top 5 solar flares from sunspot region 11781

Start Maximum End
1C1.62013/06/2916:0116:0916:13
2B9.992013/06/2917:4717:5017:54
3B8.282013/06/3002:5002:5502:58
4B5.222013/06/2902:2002:2502:32
5B4.252013/06/2903:0003:0403:08
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AR4294 / 4296 / 4298 339AR4299 M8.1 CME 2025/12/06 50AR 4299 83Unspecified geomagnetic activity 41Electron event 8
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Space weather facts

Last X-flare2025/12/01X1.9
Last M-flare2025/12/06M8.1
Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025167.7 +75.9
Last 30 days107.1 +13.7

This day in history*

Solar flares
12024M3.2
22006M2.97
32024M2.3
42013M1.82
51999M1.46
DstG
11982-78G2
22022-63G1
31959-60
41960-60G2
51993-57G1
*since 1994

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