Viewing archive of Saturday, 21 October 2000

Sunspot numberNew regionsBackground fluxMaximum fluxCM
166 221 -1B5.3M3.0451

Solar flares

RegionStartMaximumEnd
-C1 01:2401:2901:34
9199C1.6 05:0005:2606:13
9201C2.4 06:5707:0107:06
9199C5.6 09:5109:5610:03
9201C2.3 13:5914:0614:10
9201M3 18:1318:3118:46

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

100%

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 2019:242
Current stretch spotless days:15

This day in history*

Solar flares
11999M7.4
22003M4.2
32001M2.8
42002M2.0
52003M1.2
ApG
1200339G1
2200113
3199613
4199912
5201410
*since 1994

Social networks