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Sunspot region AR13989

Number of
sunspots		 Size Class Magn. Class Spot Location
2025/02/09 1 120 HSX N19E66
2025/02/10 1 160 HSX N18E50
2025/02/11 1 170 HSX N18E36
2025/02/12 1 200 HSX N18E22
2025/02/13 1 250 HHX N18E08
2025/02/14 1 250 HHX N18W07
2025/02/15 1 270 HHX N18W14
2025/02/16 1 270 HHX N18W28
2025/02/17 1 250 HHX N18W42
2025/02/18 1 250 HHX N19W53
2025/02/19 1 250 HHX N19W67
2025/02/20 1 250 HHX N19W79
2025/02/21 1 250 HHX N19W93
2025/02/22 1 250 HHX N19W0*
C
2

The top 2 solar flares from sunspot region 13989

Start Maximum End
1C4.32025/02/1400:2700:3800:48
2C1.92025/02/1318:4518:5419:00
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Last X-flare2025/03/28X1.1
Last M-flare2025/03/31M1.2
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025127 -27.6
Last 30 days127 -25.7

This day in history*

Solar flares
12022M9.67
22000M5.89
32001M3.06
42000M2.9
52000M2.71
DstG
12001-387G4
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31989-100G2
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*since 1994

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