Sunspot region AR10159

Number of
sunspots
Size Class Magn. Class Spot Location
2002/10/14 1 80 HSX S12E73
2002/10/15 1 140 HAX S11E57
2002/10/16 1 160 HSX S11E44
2002/10/17 5 190 CAO S11E31
2002/10/18 8 160 CAO S11E18
2002/10/19 10 150 CAO S11E05
2002/10/20 8 100 DAO S12W08
2002/10/21 6 60 DSO S12W22
2002/10/22 7 30 DSO S13W35
2002/10/23 3 10 BXO S15W46
CM
21

The top 3 solar flares from sunspot region 10159

Start Maximum End
1M3.212002/10/1423:4200:1001:08
2C6.742002/10/1409:3109:4509:59
3C2.972002/10/1714:3014:3714:43

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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026114.3 +28.4
Last 30 days102.4 +48.5

This day in history*

Solar flares
12001X3.14
22002X1.17
32023M2.83
42002M2.34
52000M1.23
DstG
11990-281G4
21982-137G3
31957-124G3
41959-122G4
51960-81G3
*since 1994

Aurora on this day in history

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