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Sunspot region AR13972

Number of
sunspots		 Size Class Magn. Class Spot Location
2025/01/22 7 40 CSI S18E06
2025/01/23 10 80 DSO S18W05
2025/01/24 6 40 DAO S20W21
2025/01/25 6 40 DAO S19W35
2025/01/26 6 20 CAO S19W49
2025/01/27 6 20 CRO S19W63
2025/01/28 10 40 CAO S19W71
2025/01/29 7 40 CAO S19W85
2025/01/30 7 40 CAO S19W98
C
1

The top 1 solar flares from sunspot region 13972

Start Maximum End
1C4.22025/01/2301:1501:2101:25
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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 2026107.7 +21.8
Last 30 days99.4 +43

This day in history*

Solar flares
12001X2.9
22002M5.79
32013M4.79
42025M2.7
52025M2.3
DstG
12001-236G3
21990-174G4
31981-163G3
42014-87G1
51978-80G3
*since 1994

Aurora on this day in history

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