Region 8647

Number of
sunspots
Size Class Magn. Class Spot Location
1999/07/26 6 110 CAO S18E63
1999/07/27 10 220 DSO S18E51
1999/07/28 10 150 DAO S18E37
1999/07/29 12 90 EAO S18E24
1999/07/30 17 50 ESO S18E11
1999/07/31 11 40 CSO S17W03
1999/08/01 8 40 CSO S18W18
1999/08/02 15 40 CSO S18W34
1999/08/03 17 140 DAO S18W49
1999/08/04 22 270 DAO S18W63
1999/08/05 12 350 EAO S19W76
1999/08/06 7 120 EAO S19W87
CMX
711

The top 9 solar flares from sunspot region 8647

Start Maximum End
1X1.41999/08/0221:1821:2521:38
2M1.21999/08/0415:4916:0716:25
3C9.21999/08/0106:3806:4506:48
4C5.71999/08/0304:5805:0205:10
5C4.91999/08/0503:3803:4203:46
6C4.41999/08/0404:1104:1404:17
7C3.91999/08/0408:5308:5709:02
8C2.51999/08/0302:5302:5602:59
9C1.91999/08/0308:3908:4208:45

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/08/05Kp5 (G1)
Number of spotless days in 2019:158
Current stretch spotless days:14

This day in history*

Solar flares
11999M9.8
22002M5.0
32002M3.4
41999M1.8
52002M1.4
ApG
1199936G2
2200230G2
3200622G2
4201720G1
5200317G1
*since 1994

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