Sunspot region AR8737

Number of
sunspots
Size Class Magn. Class Spot Location
1999/10/20 8 50 CAO S15E14
1999/10/21 17 70 DAO S16E01
1999/10/22 28 170 EAI S15W12
1999/10/23 22 310 EAI S15W26
1999/10/24 17 270 EKO S14W40
1999/10/25 13 330 EKO S13W54
1999/10/26 5 370 EAO S13W67
1999/10/27 5 360 EAO S15W78
1999/10/28 1 140 HSX S13W89
CM
41

The top 5 solar flares from sunspot region 8737

Start Maximum End
1M2.591999/10/2713:2413:3714:01
2C6.891999/10/2519:2819:4820:01
3C4.431999/10/2612:5613:0013:03
4C2.841999/10/2106:2006:2506:30
5C1.591999/10/1917:0717:1617:21

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Last X-flare2024/12/08X2.2
Last M-flare2024/12/23M1.0
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
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Monthly mean Sunspot Number
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Last 30 days116.1 -41.8

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