Sunspot region AR11745

Number of
sunspots
Size Class Magn. Class Spot Location
2013/05/10 1 120 HRX N11E73
2013/05/11 5 300 DKI N11E62
2013/05/12 15 600 EKC N14E51
2013/05/13 15 600 EKC N14E51
2013/05/14 18 430 DKC N13E24
2013/05/15 18 430 DKC N13E24
2013/05/16 28 390 EKC N13E12
2013/05/17 20 350 CKI N12W01
2013/05/18 10 300 CKO N13W15
2013/05/19 11 210 DAO N14W27
2013/05/20 8 180 CAO N13W40
2013/05/21 8 180 CAO N13W40
2013/05/22 5 120 CAO N13W66
2013/05/23 3 100 CAO N13W80
2013/05/24 1 10 AXX N15W92
2013/05/25 1 10 AXX N15W0*
CM
144

The top 10 solar flares from sunspot region 11745

Start Maximum End
1M7.242013/05/2213:0813:3214:08
2M5.672013/05/1000:4400:5701:08
3M1.952013/05/1012:3712:5613:04
4M1.192013/05/1321:5822:0522:11
5C6.482013/05/1308:3508:3808:44
6C3.662013/05/1014:3014:3714:42
7C3.162013/05/1113:3113:5914:09
8C2.912013/05/1215:5716:0116:05
9C2.82013/05/2202:2502:5603:08
10C2.762013/05/1004:0104:0704:14

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Space weather facts

Last X-flare2026/02/04X4.21
Last M-flare2026/02/25M2.4
Last geomagnetic storm2026/03/03Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (4%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
March 202674.8 -3.4
Last 30 days52.1 -75.8

This day in history*

Solar flares
12015X3.15
22014M5.12
32015M4.16
42015M3.75
52015M2.7
DstG
11979-135G1
21957-131
31993-120G3
41998-107G1
52011-83G2
*since 1994

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