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Sunspot region AR12305

Number of
sunspots		 Size Class Magn. Class Spot Location
2015/03/22 5 120 DAO S08E67
2015/03/23 10 220 EAC S08E58
2015/03/24 15 310 EKC S08E44
2015/03/25 15 340 EKC S08E32
2015/03/26 26 400 EKC S08E19
2015/03/27 16 390 CKI S08E05
2015/03/28 17 410 EKI S09W10
2015/03/29 22 410 EKI S08W19
2015/03/30 7 340 DHO S10W36
2015/03/31 7 440 DHO S10W51
2015/04/01 6 310 CHO S11W64
2015/04/02 2 470 CHO S10W80
2015/04/03 1 220 HSX S09W91
2015/04/04 1 220 HSX S09W0*
BCM
1161

The top 10 solar flares from sunspot region 12305

Start Maximum End
1M1.252015/03/2504:3604:4605:11
2C4.792015/03/2516:3016:4517:01
3C4.692015/03/2508:2308:2908:32
4C4.062015/03/2600:0600:2100:38
5C3.752015/03/2501:3401:4401:53
6C3.142015/03/2804:4805:2605:48
7C2.912015/03/2807:5708:1208:29
8C2.542015/03/2507:2007:2707:30
9C2.322015/03/2918:4519:4220:21
10C2.142015/03/3015:3415:4716:03
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Last X-flare2025/03/28X1.1
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Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
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February 2025154.6 +17.6
March 2025130 -24.6
Last 30 days130 -22.2

This day in history*

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DstG
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*since 1994

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