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Sunspot region AR13974

Number of
sunspots		 Size Class Magn. Class Spot Location
2025/01/26 2 70 HAX S18E72
2025/01/27 12 90 CAO S18E58
2025/01/28 13 90 DAI S17E47
2025/01/29 15 90 DAC S17E34
2025/01/30 15 120 DAC S17E20
2025/01/31 9 110 CAO S17E06
2025/02/01 9 110 CAO S17W08
2025/02/02 9 90 CAO S17W22
2025/02/03 9 10 BXO S17W34
2025/02/04 2 10 BXO S17W48
2025/02/05 2 10 AXX S17W61
2025/02/06 1 10 AXX S17W74
2025/02/07 1 10 AXX S15W81
2025/02/08 1 10 AXX S15W0*
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Late 2026/04/01 Filament CME 76AR4409 122Space Weather Memes 814Comet C/2026 A1 (MAPS) for the southern hemisphere 38AR4403 39
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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/03M1.3
Last geomagnetic storm2026/04/02Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026141 +55.1
Last 30 days95.4 +31.2

This day in history*

Solar flares
12002M8.82
21999M6.76
32001M2.91
42003M2.74
52001M2.31
DstG
11979-202G3
21988-133G3
31984-120G4
42004-117G2
51994-111G3
*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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