Sunspot region AR8720

Number of
sunspots
Size Class Magn. Class Spot Location
1999/10/04 4 20 BXO N14E65
1999/10/05 4 30 CSO N13E52
1999/10/06 4 60 CSO N13E42
1999/10/07 15 70 DSO N13E28
1999/10/08 16 50 DAO N13E14
1999/10/09 16 50 DSO N13E01
1999/10/10 20 30 BXO N14W11
1999/10/11 8 20 BXO N14W27
1999/10/12 4 10 BXO N13W38
1999/10/13 2 10 AXX N12W50
1999/10/15 2 10 BXO N17W78
C
10

The top 10 solar flares from sunspot region 8720

Start Maximum End
1C7.171999/10/0407:2908:1608:44
2C4.141999/10/0704:2204:4305:15
3C4.091999/10/0317:0017:0517:10
4C4.071999/10/0723:4423:5500:13
5C4.041999/10/0505:3605:5106:08
6C2.511999/10/0810:0710:2110:36
7C2.271999/10/0615:3715:4416:02
8C1.841999/10/0604:3804:4404:50
9C1.281999/10/0314:2414:2914:34
10C1.081999/10/0412:3812:4312:53

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Last X-flare2024/11/06X2.39
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Spotless days
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Last 30 days155.8 +4.5

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