Sunspot region AR13994

Number of
sunspots
Size Class Magn. Class Spot Location
2025/02/13 3 30 DRO S21E10
2025/02/14 3 30 DAO S21W04
2025/02/15 6 30 CRO S19W18
2025/02/16 9 40 CAO S19W32
2025/02/17 4 10 BXO S21W46
2025/02/18 1 5 AXX S19W60
2025/02/19 1 5 AXX S19W74
2025/02/20 1 5 AXX S19W88
2025/02/21 1 5 AXX S19W0*
C
2

The top 2 solar flares from sunspot region 13994

Start Maximum End
1C6.62025/02/1407:3107:4507:50
2C4.82025/02/1414:0814:1714:21

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.4
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
Last 30 days128.1 -22.5

This day in history*

Solar flares
12001X28.5
22001X2.01
32001X1.59
42014M9.35
52017M8.22
DstG
11960-272G3
21973-173G3
32001-101G1
41976-101G1
51994-96G3
*since 1994

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