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Sunspot region AR11853

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/09/27 3 20 CRO N19W80
2013/09/28 1 10 HRX N19W77
2013/09/29 5 30 CAO N19W91
2013/09/30 5 30 CAO N19W0*
BC
41

The top 5 solar flares from sunspot region 11853

Start Maximum End
1C2.252013/09/2900:3901:2702:03
2B9.12013/09/2711:2811:3311:37
3B8.022013/09/2811:5612:0512:12
4B6.772013/09/2715:0215:0615:09
5B5.682013/09/2817:4017:4317:45
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The maximum X-ray flux of the past two hours is:
C5.57

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/03/30M1.0
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025127.5 -27.1
Last 30 days127.5 -25.1

This day in history*

Solar flares
12022M9.67
22000M5.89
32001M3.06
42000M2.9
52000M2.71
DstG
12001-387G4
21960-191G4
31989-100G2
41990-88
52003-78G2
*since 1994

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