Sunspot region AR10640

Number of
sunspots
Size Class Magn. Class Spot Location
2004/06/28 2 40 AXX S09E68
2004/06/29 2 40 DAO S07E56
2004/06/30 4 50 DAO S07E41
2004/07/01 4 20 CSO S08E28
2004/07/02 2 60 CSO S09E15
2004/07/03 5 20 DSO S09E02
2004/07/04 7 30 BXO S09W13
2004/07/05 7 10 BXO S10W25
2004/07/06 1 30 AXX S08W39
2004/07/07 2 10 AXX S07W55
BC
21

The top 3 solar flares from sunspot region 10640

Start Maximum End
1C1.872004/06/3014:2614:3914:45
2B3.862004/06/3011:4811:5612:01
3B3.182004/06/3007:1907:2407:31

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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 2024170.8 +4.3
Last 30 days165.1 +20.3

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
41999M4.11
52005M3.72
DstG
11960-167G3
21998-109G2
32012-108G2
41989-105
51979-90G1
*since 1994

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