Region 8704

Number of
sunspots
Size Class Magn. Class Spot Location
1999/09/18 1 70 HSX S21E63
1999/09/19 5 110 CSO S21E52
1999/09/20 7 180 CSO S22E42
1999/09/21 6 110 ESO S22E28
1999/09/22 9 130 ESO S22E16
1999/09/23 14 120 CSO S22E01
1999/09/24 8 100 CSO S21W11
1999/09/25 6 120 CSO S20W25
1999/09/26 3 110 CSO S21W39
1999/09/27 1 110 HSX S20W52
1999/09/28 1 100 HSX S19W67
1999/09/29 1 50 HSX S19W81
1999/09/30 1 30 HSX S19W90
C
2

The top 2 solar flares from sunspot region 8704

Start Maximum End
1C2.71999/09/2107:1507:2007:24
2C2.11999/09/2709:0009:1209:21

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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
1200430G1
2200330G1
3200020
4201618
5200217
*since 1994

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