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Sunspot region AR12303

Number of
sunspots		 Size Class Magn. Class Spot Location
2015/03/18 1 400 HKX N19E65
2015/03/19 1 100 HAX N19E51
2015/03/20 2 70 HAX N18E39
2015/03/21 2 110 HSX N19E25
2015/03/22 1 120 HSX N19E11
2015/03/23 4 100 CSO N20W02
2015/03/24 3 90 CSO N20W15
2015/03/25 7 100 CAO N19W30
2015/03/26 4 80 CAO N20W42
2015/03/27 2 70 HSX N20W54
2015/03/28 1 50 CAO N18W66
2015/03/29 3 50 DAO N18W78
2015/03/30 4 50 DAO N18W92
2015/03/31 4 50 DAO N18W0*
C
14

The top 10 solar flares from sunspot region 12303

Start Maximum End
1C6.732015/03/3001:3801:5202:14
2C5.922015/03/3021:3822:0522:16
3C4.682015/03/2915:2415:3015:38
4C4.282015/03/2906:5006:5607:26
5C3.872015/03/2913:1813:2313:31
6C3.492015/03/3012:4612:5513:02
7C3.432015/03/2816:0316:0716:14
8C3.372015/03/2910:3710:4210:44
9C2.592015/03/2820:4420:5120:54
10C2.542015/03/2914:1314:1914:23
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Last X-flare2025/01/04X1.85
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Last geomagnetic storm2025/01/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2024154.5 +2
January 2025145.2 -9.3
Last 30 days163.2 +45.8

This day in history*

Solar flares
12024M3.45
21999M2.14
32024M2.11
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52015M2.03
DstG
11957-235G4
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*since 1994

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