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Sunspot region AR13937

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/12/23 1 40 HRX S11E66
2024/12/24 1 40 HSX S12E50
2024/12/25 1 40 HSX S12E38
2024/12/26 1 40 HSX S12E24
2024/12/27 1 20 HSX S12E11
2024/12/28 1 30 HSX S13W04
2024/12/29 1 20 HSX S12W15
2024/12/30 1 20 HSX S08W27
2024/12/31 1 20 HSX S11W43
2025/01/01 1 10 AXX S12W55
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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 2026118.8 +32.8
Last 30 days102.1 +47

This day in history*

Solar flares
12001X1.14
22000M4.54
32003M3.68
42002M3.12
52002M1.68
DstG
11984-100G3
21971-97G2
32006-82G2
41959-73G2
51995-68G1
*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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