Sunspot region AR8504

Number of
sunspots
Size Class Magn. Class Spot Location
1999/03/31 3 140 HSX S28E61
1999/04/01 4 90 CAO S28E47
1999/04/02 4 110 CAO S28E36
1999/04/03 7 70 CSO S28E23
1999/04/04 10 70 DSO S28E11
1999/04/05 10 50 DSO S28W02
1999/04/06 11 50 DSO S28W15
1999/04/07 6 20 BXO S28W27
1999/04/08 4 10 BXO S27W40

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Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/11M1.3
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024175.7 +9.3
Last 30 days166.1 +21.7

This day in history*

Solar flares
12012M8.59
22012M4.14
32005M3.59
42012M3.56
52003M2.36
DstG
11960-339G5
21998-131G2
31989-121G1
41999-106G2
51979-92G1
*since 1994

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