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Sunspot region AR13964

Number of
sunspots		 Size Class Magn. Class Spot Location
2025/01/16 14 180 DAI N07W22
2025/01/17 17 475 DKI N07W37
2025/01/18 14 450 DKI N07W50
2025/01/19 12 400 EKI N06W62
2025/01/20 15 400 EKC N06W77
2025/01/21 12 260 DKI N06W90
2025/01/22 12 260 DKI N06W0*
CM
2711

The top 10 solar flares from sunspot region 13964

Start Maximum End
1M7.42025/01/1713:2413:3513:39
2M2.42025/01/1903:2803:3203:36
3M2.12025/01/1718:4218:5019:04
4M2.02025/01/1709:1009:1909:23
5M1.82025/01/1719:4419:4919:55
6M1.72025/01/1800:4400:5801:03
7M1.52025/01/1711:1911:3711:49
8M1.32025/01/1702:0102:1102:17
9M1.112025/01/1719:5920:0120:02
10M1.12025/01/1803:0003:0703:15
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AR4087 70Unspecified geomagnetic activity 2426AR4086 49AR 14079 170Unexpected Sunspot Outbreaks 3
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Last X-flare2025/05/14X2.7
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Last geomagnetic storm2025/05/03Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2025140.6 +6.4
May 202574.9 -65.7
Last 30 days99.8 -31.1

This day in history*

Solar flares
12024X8.79
22013X4.64
32025X2.7
42024X1.72
52024X1.2
DstG
11973-97G4
21991-74G2
31969-66G3
42019-65G2
52002-63G1
*since 1994

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