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Sunspot region AR8583

Number of
sunspots		 Size Class Magn. Class Spot Location
1999/06/12 2 80 HSX S12E68
1999/06/13 8 150 DSO S13E56
1999/06/14 12 140 DAO S13E44
1999/06/15 15 210 DAI S13E31
1999/06/16 19 150 DSI S12E17
1999/06/17 16 130 DSO S13E03
1999/06/18 13 90 DSO S13W10
1999/06/19 6 20 CAO S13W23
1999/06/20 3 20 CSO S13W36
1999/06/21 2 0 BXO S11W51
CM
42

The top 6 solar flares from sunspot region 8583

Start Maximum End
1M1.561999/06/1213:1913:3613:44
2M1.141999/06/2300:3700:4700:55
3C7.031999/06/2101:0201:2001:27
4C4.571999/06/1222:0622:1822:31
5C4.271999/06/1306:3506:4706:58
6C1.431999/06/1500:2800:3100:35
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Last X-flare2025/12/08X1.1
Last M-flare2025/12/09M1.5
Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025160.6 +68.8
Last 30 days108 +10.6

This day in history*

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*since 1994

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