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Sunspot region AR8574

Number of
sunspots		 Size Class Magn. Class Spot Location
1999/06/06 3 10 CRO N30E40
1999/06/07 13 50 DAO N29E28
1999/06/08 16 220 DAO N28E14
1999/06/09 25 260 EAI N28E01
1999/06/10 27 300 EAI N29W12
1999/06/11 25 250 EAI N29W25
1999/06/12 18 160 ESO N29W37
1999/06/13 11 170 EAO N30W50
1999/06/14 6 100 CSO N30W63
1999/06/15 4 70 CAO N30W76
1999/06/16 1 50 HAX N30W91
C
8

The top 8 solar flares from sunspot region 8574

Start Maximum End
1C5.871999/06/1221:1321:2421:44
2C4.391999/06/0918:5319:0319:12
3C3.791999/06/0817:4918:0018:10
4C2.611999/06/0913:3413:5214:04
5C2.061999/06/1107:2707:3907:48
6C1.91999/06/0914:1814:2314:42
7C1.841999/06/0917:0717:1217:21
8C1.541999/06/0813:1613:2013:25
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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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