Sunspot region AR8145

Number of
sunspots
Size Class Magn. Class Spot Location
1998/01/25 5 20 BXO N28E59
1998/01/26 3 30 BXO N29E48
1998/01/27 5 20 BXO N28E35
1998/01/28 6 20 BXO N28E24
1998/01/29 7 20 BXO N28E11
1998/01/30 4 10 BXO N28W02
1998/01/31 4 10 BXO N28W14
1998/02/01 2 30 AXX N28W27
1998/02/02 3 10 BXO N28W41
BCM
111

The top 3 solar flares from sunspot region 8145

Start Maximum End
1M1.81998/01/2521:2621:3621:43
2C1.761998/01/2614:3614:4714:56
3B9.191998/01/2603:4903:5203:59

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Last X-flare2024/10/31X2.03
Last M-flare2024/11/05M2.6
Last geomagnetic storm2024/10/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2024141.4 -74.1
November 2024215.8 +74.4
Last 30 days161.1 +7.2

This day in history*

Solar flares
12013X4.93
21998X1.21
32014X1.14
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52004M5.72
DstG
12023-172G3
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*since 1994

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