Sunspot region AR10100

Number of
sunspots
Size Class Magn. Class Spot Location
2002/09/02 1 130 HSX S20E67
2002/09/03 6 210 DAO S19E56
2002/09/04 8 160 DAO S15E43
2002/09/05 7 190 CAO S20E31
2002/09/06 10 130 CSO S20E18
2002/09/07 9 130 DAO S19E06
2002/09/08 6 90 CAO S19W08
2002/09/09 4 50 DSO S19W23
2002/09/10 3 40 CAO S19W37
2002/09/11 4 40 CSO S19W50
2002/09/12 2 30 HRX S19W64
2002/09/13 3 30 CAO S16W75

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Space weather facts

Last X-flare2024/05/15X2.9
Last M-flare2024/05/17M7.1
Last geomagnetic storm2024/05/17Kp6 (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2024136.5 +31.6
May 2024157.2 +20.7
Last 30 days174.3 +64.2

This day in history*

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12023M4.5
22000M3.96
32023M3.8
42023M2.2
52023M1.9
ApG
1198157G3
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*since 1994

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