Sunspot region AR8502

Number of
sunspots
Size Class Magn. Class Spot Location
1999/03/29 1 0 AXX S25E71
1999/03/30 3 90 FAO S27E65
1999/03/31 3 30 CSO S27E45
1999/04/01 1 10 HSX S27E30
1999/04/02 1 0 AXX S27E18
1999/04/03 1 0 AXX S27E05
BC
11

The top 2 solar flares from sunspot region 8502

Start Maximum End
1C2.031999/03/2922:1222:1622:19
2B4.491999/03/2917:0017:0517:07

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Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.7 -23.8
Last 30 days155.2 +4.4

This day in history*

Solar flares
12012M5.08
21999M4.93
31999M3.27
42000M2.33
52012M2.11
DstG
12003-309G3
21991-135G3
32002-128G3
41960-111G2
51970-110G2
*since 1994

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