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Sunspot region AR12542

Number of
sunspots		 Size Class Magn. Class Spot Location
2016/05/05 2 250 CKO N09E70
2016/05/06 3 120 CSO N10E56
2016/05/07 3 150 CSO N10E42
2016/05/08 4 170 HAX N11E28
2016/05/09 8 100 CAO N12E16
2016/05/10 16 150 DAI N12E03
2016/05/11 15 130 CAO N12W11
2016/05/12 12 130 CAI N11W23
2016/05/13 11 160 DAI N10W36
2016/05/14 16 160 DAC N10W50
2016/05/15 12 140 DAC N10W64
2016/05/16 4 110 CAI N11W77
2016/05/17 1 30 HSX N11W90
2016/05/18 1 30 HSX N11W0*
BC
84

The top 10 solar flares from sunspot region 12542

Start Maximum End
1C4.482016/05/1515:1916:0317:33
2C2.712016/05/0422:4322:4822:51
3C1.622016/05/1704:0004:0804:10
4C1.122016/05/1114:1414:2214:27
5B9.832016/05/1407:4407:5207:58
6B8.982016/05/1707:5007:5407:57
7B8.892016/05/0917:3917:4818:00
8B7.22016/05/1110:5610:5911:01
9B6.712016/05/1216:0616:1016:14
10B62016/05/1111:1911:2211:24
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Space weather facts

Last X-flare2026/07/04X1.3
Last M-flare2026/07/12M1.19
Last geomagnetic storm2026/07/04Kp7+ (G3)
Spotless days
Last 365 days3 days
20263 days (2%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
June 202694.4 -7.1
July 202674.8 -19.6
Last 30 days87 -20.2

This day in history*

Solar flares
12002X2.61
22023M5.7
32000M4.77
42000M4.39
52002M3.24
DstG
11959-183G4
21961-105G4
31980-80G3
41991-78G1
51982-73G1
*since 1994

Aurora on this day in history

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