Region 8534

Number of
sunspots
Size Class Magn. Class Spot Location
1999/05/06 1 30 HAX S18E74
1999/05/07 3 40 CAO S18E60
1999/05/08 1 40 HSX S18E47
1999/05/09 4 60 CSO S17E35
1999/05/10 4 40 CSO S18E21
1999/05/11 4 30 CSO S18E08
1999/05/12 11 50 CAO S18W06
1999/05/13 14 90 DAI S18W19
1999/05/14 11 80 DAO S17W33
1999/05/15 10 90 DAO S17W47
1999/05/16 6 90 DAO S17W60
1999/05/17 1 50 HAX S16W77
1999/05/18 3 60 CRO S22W85
BCM
272

The top 10 solar flares from sunspot region 8534

Start Maximum End
1M1.21999/05/1613:4513:5013:53
2M1.11999/05/1617:2017:2517:28
3C9.71999/05/1700:1800:2400:28
4C5.71999/05/1620:0720:1320:23
5C5.61999/05/1717:5118:0318:10
6C5.31999/05/1709:0009:0709:16
7C2.41999/05/0610:4010:4811:03
8C11999/05/1219:2819:3019:33
9C1.01999/05/1616:5416:5717:00
10B9.31999/05/1409:2509:2909:32

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:268
Current stretch spotless days:42

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*since 1994

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