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Sunspot region AR11823

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/08/16 1 120 HSX S07E72
2013/08/17 1 130 HSX S07E57
2013/08/18 1 120 HSX S07E43
2013/08/19 5 120 CSO S07E29
2013/08/20 4 170 CSO S08E17
2013/08/21 5 120 CSO S08E03
2013/08/22 5 120 CSO S07W10
2013/08/23 1 100 HSX S07W23
2013/08/24 1 100 HSX S06W37
2013/08/25 1 90 HSX S07W49
2013/08/26 1 60 HSX S10W63
2013/08/27 1 60 HSX S10W76
2013/08/28 1 60 HSX S10W89
2013/08/29 1 60 HSX S10W0*
C
1

The top 1 solar flares from sunspot region 11823

Start Maximum End
1C1.82013/08/2103:3604:0604:08
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Last X-flare2026/02/04X4.21
Last M-flare2026/02/25M2.4
Last geomagnetic storm2026/02/22Kp5+ (G1)
Spotless days
Last 365 days3 days
20263 days (5%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
January 2026112.6 -11.4
February 202674.6 -38
Last 30 days79 -41.8

This day in history*

Solar flares
11999M9.44
22023M8.62
32002M3.28
42014M1.59
52011M1.57
DstG
12023-100G2
22014-94
31999-87G1
41985-84G3
51968-82G1
*since 1994

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