Sunspot region AR8728

Number of
sunspots
Size Class Magn. Class Spot Location
1999/10/09 1 30 HSX N22E74
1999/10/10 10 150 CAO N21E62
1999/10/11 13 340 DHO N22E50
1999/10/12 22 560 EKI N22E38
1999/10/13 19 560 EKI N22E25
1999/10/14 26 520 FKO N23E15
1999/10/15 21 330 EKO N22E00
1999/10/16 20 310 EAO N22W13
1999/10/17 29 290 EAO N23W26
1999/10/18 10 220 EAO N23W40
1999/10/19 2 170 CSO N22W59
1999/10/20 3 130 DAO N24W70
1999/10/21 3 110 CAO N24W83
1999/10/22 1 80 HAX N22W94
C
2

The top 2 solar flares from sunspot region 8728

Start Maximum End
1C3.311999/10/1605:0505:1705:20
2C2.241999/10/1818:5218:5719:03

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Last X-flare2024/11/06X2.39
Last M-flare2024/11/22M1.0
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
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Monthly mean Sunspot Number
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November 2024144.1 -22.3
Last 30 days158 +10.7

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