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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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Last X-flare2025/12/01X1.9
Last M-flare2025/12/04M6.0
Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025186 +94.2
Last 30 days106.3 +12.6

This day in history*

Solar flares
12006X12.9
22006M2.63
32024M2.5
42014M2.22
52023M1.5
DstG
11958-176G3
21959-166G4
31989-79G1
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51982-55
*since 1994

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