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Sunspot region AR12654

Number of
sunspots		 Size Class Magn. Class Spot Location
2017/04/29 2 10 AXX N10E52
2017/04/30 1 10 AXX N11E38
2017/05/01 1 10 AXX N11E25
2017/05/03 4 60 DAO N11E01
2017/05/04 5 70 DSO N12W12
2017/05/05 5 80 DSO N11W25
2017/05/06 5 40 CSO N11W38
2017/05/07 1 30 HSX N11W53
2017/05/08 1 20 HSX N11W66
2017/05/09 1 20 AXX N11W82
AB
14

The top 5 solar flares from sunspot region 12654

Start Maximum End
1B4.672017/05/0619:5520:0920:23
2B22017/05/0514:2314:2814:36
3B1.762017/05/0506:0906:1406:18
4B1.412017/05/0219:3319:3619:41
5A9.692017/05/0618:2718:3118:34
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Last X-flare2025/06/19X1.9
Last M-flare2025/10/03M1.2
Last geomagnetic storm2025/10/03Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2025129.8 -3.7
October 2025140.1 +10.3
Last 30 days131.3 -1.2

This day in history*

Solar flares
12012M3.35
22024M1.2
31999C9.19
42024C8.0
52023C6.6
DstG
12024-153G3
21960-112G1
32002-108G2
42012-99G2
52015-97G2
*since 1994

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