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Sunspot region AR12371

Number of
sunspots		 Size Class Magn. Class Spot Location
2015/06/17 3 190 DSO N11E66
2015/06/18 16 520 EKC N12E53
2015/06/19 26 810 EKC N12E39
2015/06/20 31 1020 EKC N13E27
2015/06/21 35 1120 EKC N13E14
2015/06/22 35 1120 EKC N13E14
2015/06/23 34 1070 FKC N13W13
2015/06/24 34 950 FKC N12W28
2015/06/25 29 740 FKC N11W40
2015/06/25 29 740 FKC N11W40
2015/06/26 23 580 FKC N12W53
2015/06/27 18 550 FKC N13W64
2015/06/28 15 430 EKC N12W79
2015/06/29 3 130 CAO N13W92
2015/06/30 3 130 CAO N13W0*
BCMX
64651

The top 10 solar flares from sunspot region 12371

Start Maximum End
1X1.132015/06/2508:0208:1609:05
2M9.462015/06/2217:3918:2318:51
3M4.392015/06/1816:3017:3618:25
4M2.912015/06/2101:0201:4202:00
5M1.452015/06/2006:2806:4807:09
6M1.172015/06/1909:1909:2709:38
7C8.122015/06/2415:1215:2915:40
8C5.582015/06/2217:2017:2717:33
9C5.12015/06/1813:0513:1013:15
10C4.62015/06/1821:3421:4621:57
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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 202694.2 +8.3
Last 30 days94.7 +34.5

This day in history*

Solar flares
12024M4.3
22025M4.2
32002M2.07
42023M1.5
52001M1.47
DstG
11973-134G4
21981-129G1
31971-121G4
41961-118G3
51990-104G2
*since 1994

Aurora on this day in history

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