Region 8690

Number of
sunspots
Size Class Magn. Class Spot Location
1999/09/07 3 60 DAO N13E73
1999/09/08 5 80 DAO N13E60
1999/09/09 8 50 DSO N13E47
1999/09/10 14 40 CSO N13E33
1999/09/11 14 60 DSO N13E20
1999/09/12 23 100 DSI N14E06
1999/09/13 25 90 DSI N14W06
1999/09/14 34 150 DAI N15W20
1999/09/15 31 210 DSI N15W34
1999/09/16 30 300 EKI N15W48
1999/09/17 23 440 EKI N16W62
1999/09/18 13 310 EAO N16W74
1999/09/19 7 110 DSO N16W87
CM
31

The top 4 solar flares from sunspot region 8690

Start Maximum End
1M2.11999/09/1701:1401:2001:23
2C3.31999/09/0916:1316:3717:08
3C2.71999/09/0722:5823:0723:19
4C1.81999/09/1413:5414:0314:14

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:237
Current stretch spotless days:10

This day in history*

Solar flares
12002M2.9
22012M2.0
31999M1.7
42001M1.6
51999M1.1
ApG
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2200330G1
3200020
4201618
5200217
*since 1994

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