Sunspot region AR8437

Number of
sunspots
Size Class Magn. Class Spot Location
1999/01/11 1 90 HSX N11E68
1999/01/12 1 90 HSX N11E55
1999/01/13 1 80 HSX N11E42
1999/01/14 1 90 HSX N11E29
1999/01/15 1 100 HSX N10E16
1999/01/16 1 100 HSX N10E03
1999/01/17 1 80 HSX N10W11
1999/01/18 1 70 HSX N10W24
1999/01/19 1 90 HSX N11W37
1999/01/20 1 70 HSX N11W50
1999/01/21 1 70 HSX N11W64
1999/01/22 1 60 HSX N11W77
1999/01/23 1 50 HSX N11W89

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Space weather facts

Last X-flare2024/10/31X2.03
Last M-flare2024/11/05M2.6
Last geomagnetic storm2024/10/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2024141.4 -74.1
November 2024215.8 +74.4
Last 30 days161.1 +7.2

This day in history*

Solar flares
12013X4.93
21998X1.21
32014X1.14
42003M7.6
52004M5.72
DstG
12023-172G3
21991-92G2
31986-74G1
41959-73G1
51993-71G1
*since 1994

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