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Sunspot region AR12821

Number of
sunspots		 Size Class Magn. Class Spot Location
2021/04/25 3 30 CRO S22W16
2021/04/26 8 70 DSI S22W29
2021/04/27 5 60 DAI S22W43
2021/04/28 5 30 CAO S23W57
2021/04/29 1 20 HSX S21W69
2021/04/30 1 30 HSX S21W89
2021/05/01 1 30 HSX S21W0*
B
9

The top 9 solar flares from sunspot region 12821

Start Maximum End
1B6.22021/04/2922:1322:3222:41
2B3.32021/04/2716:0416:1316:17
3B2.72021/04/2708:1308:2308:36
4B2.42021/04/2920:3420:5421:03
5B1.42021/04/2917:5918:0518:17
6B1.32021/04/2918:1918:2318:29
7B1.22021/04/2704:2704:3404:39
8B1.22021/04/2812:4012:4412:48
9B1.12021/04/2707:3707:4307:57
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Last X-flare2024/11/06X2.39
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*since 1994

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