Region 9581

Number of
sunspots
Size Class Magn. Class Spot Location
2001/08/16 1 20 HRX S28W09
2001/08/17 3 50 CSO S26W23
2001/08/18 1 20 HSX S25W42
2001/08/19 3 40 DSO S26W50
2001/08/20 5 50 CAO S26W65
2001/08/21 3 10 BXO S26W77
BC
11

The top 2 solar flares from sunspot region 9581

Start Maximum End
1C1.62001/08/1700:0700:1100:17
2B8.12001/08/1611:1811:2711:37

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64%

Space weather facts

Last X-flare2017/09/10X8.2
Last M-flare2020/05/29M1.1
Last geomagnetic storm2020/04/20Kp5 (G1)
Spotless days
Last 365 days309 days
2020147 days (77%)
Current stretch5 days

This day in history*

Solar flares
12000M5.7
22003M3.6
32012M2.0
42000M1.9
52000M1.8
ApG
1200557G2
2201326
3200020G1
4201915G1
5201212
*since 1994

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