Sunspot region AR8550

Number of
sunspots
Size Class Magn. Class Spot Location
1999/05/21 4 120 CSO S14E70
1999/05/22 8 220 DAO S14E55
1999/05/23 14 190 ESO S14E43
1999/05/24 14 150 EAO S13E30
1999/05/25 16 210 EAO S14E17
1999/05/26 21 160 EAO S14E02
1999/05/27 17 120 DSO S14W12
1999/05/28 10 50 DAO S15W30
1999/05/29 8 30 DRO S15W45
1999/05/30 1 10 AXX S15W57
1999/05/31 1 10 AXX S15W72
C
4

The top 4 solar flares from sunspot region 8550

Start Maximum End
1C3.871999/05/2604:5005:2206:22
2C3.11999/05/2417:3517:4017:43
3C2.71999/05/2413:4913:5313:57
4C1.931999/05/2314:0914:1514:17

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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 2024166 -0.4
Last 30 days163.2 +18.4

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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