Sunspot region AR10615

Number of
sunspots
Size Class Magn. Class Spot Location
2004/05/17 2 60 HSX N17E64
2004/05/18 6 130 HSX N16E51
2004/05/19 3 120 HHX N17E38
2004/05/20 2 90 HKX N16E26
2004/05/21 4 90 HAX N18E14
2004/05/22 1 100 HSX N17W01
2004/05/23 2 100 HSX N18W13
2004/05/24 7 70 CAO N17W27
2004/05/25 2 60 HSX N17W40
2004/05/26 1 50 HSX N17W53
2004/05/27 1 60 HSX N17W66
2004/05/28 2 70 HAX N17W80
2004/05/29 1 60 HAX N17W90
C
4

The top 4 solar flares from sunspot region 10615

Start Maximum End
1C4.642004/05/1808:1208:2708:49
2C2.412004/05/1815:5016:0216:35
3C1.832004/05/2122:1322:2022:29
4C1.482004/05/2422:3922:4823:06

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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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