Sunspot region AR10351

Number of
sunspots
Size Class Magn. Class Spot Location
2003/05/01 1 90 HKX N06E76
2003/05/02 1 150 HAX N08E65
2003/05/03 1 180 HSX N08E51
2003/05/04 1 240 HAX N08E38
2003/05/05 1 220 HHX N08E25
2003/05/06 1 180 HSX N08E12
2003/05/07 1 190 HAX N08W02
2003/05/08 1 200 HSX N08W15
2003/05/09 1 200 HSX N08W27
2003/05/10 1 210 HSX N10W41
2003/05/11 1 150 HSX N09W55
2003/05/12 1 150 HSX N09W67
2003/05/13 1 170 HSX N08W82

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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

Discover more observations in our archive!

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