Region 12257

Number of
sunspots
Size Class Magn. Class Spot Location
2015/01/07 3 40 DAO N05E12
2015/01/08 13 100 DAI N05W01
2015/01/09 19 170 DAI N05W16
2015/01/10 28 480 DKI N07W29
2015/01/11 35 470 EKC N07W42
2015/01/12 24 450 EKC N07W55
2015/01/13 16 380 EKC N07W68
2015/01/14 6 240 EAC N07W81
2015/01/15 3 120 DAO N07W93
2015/01/16 3 120 DAO N07W0*
CM
203

The top 10 solar flares from sunspot region 12257

Start Maximum End
1M5.62015/01/1304:1304:2404:38
2M4.92015/01/1304:4604:5805:10
3M2.22015/01/1412:3012:5813:08
4C9.72015/01/1403:3403:4703:54
5C9.62015/01/0908:0408:1708:34
6C7.72015/01/1404:4404:5605:05
7C5.32015/01/1409:1709:4309:52
8C4.72015/01/1402:2502:3302:40
9C3.42015/01/1108:1409:2410:25
10C3.32015/01/1011:1411:3311:54

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/03/17Kp5 (G1)
Number of spotless days in 2019:62
Last spotless day:2019/04/06

This day in history*

Solar flares
12001M2.0
22012C7.0
32000C5.9
42014C4.7
52004C4.7
ApG
1200262G3
2199627G1
3199416G1
4201714
5201414
*since 1994

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