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Sunspot region AR13639

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/04/14 7 30 CAO N29E65
2024/04/15 14 240 EAI N30E48
2024/04/16 19 310 EKI N30E34
2024/04/17 16 320 EKI N29E22
2024/04/18 16 290 EAI N30E12
2024/04/19 19 300 EKC N29W02
2024/04/20 19 240 EAC N29W11
2024/04/21 22 260 EKI N28W29
2024/04/22 12 200 EAI N28W44
2024/04/23 9 160 EAI N28W58
2024/04/24 4 80 EAO N29W63
2024/04/25 2 20 CAO N30W71
2024/04/26 1 10 AXX N30W86
2024/04/27 1 10 AXX N30W0*
CM
316

The top 10 solar flares from sunspot region 13639

Start Maximum End
1M4.022024/04/1519:2519:3219:39
2M2.22024/04/1514:0814:1714:27
3M1.72024/04/1501:0601:1801:26
4M1.22024/04/1509:2109:3209:42
5M1.12024/04/1513:4313:5814:08
6M1.02024/04/1507:1507:3207:38
7C8.02024/04/1703:1303:2803:44
8C7.92024/04/1416:2216:2916:35
9C7.82024/04/1506:5807:1107:15
10C7.12024/04/1418:2618:3018:39
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Space weather facts

Last X-flare2026/04/24X2.5
Last M-flare2026/04/25M1.1
Last geomagnetic storm2026/04/20Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 202682.9 -3
Last 30 days91.4 +12.3

This day in history*

Solar flares
12001X1.13
22003X1
32003M3.71
42003M3.05
52003M3.02
DstG
11989-132G3
21984-93G4
31981-85G3
41979-80
51960-72
*since 1994

Aurora on this day in history

No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!
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