Viewing archive of Sunday, 21 October 2001

Solar flares

RegionStartMaximumEnd
9672C4.3 00:0400:1100:15
-C2.1 00:2800:3100:33
-C1.9 01:4701:5101:54
-C1.4 03:2103:2403:28
-C7.8 04:3304:3704:39
-M1.3 05:0905:1805:27
-C2.7 05:4405:4705:51
-C2.7 07:5307:5708:00
9661M2.5 11:1211:3611:48
9670C2.5 13:1113:2613:31
-C2.0 20:5420:5821:00

<< 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%

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/02Kp5 (G1)
Number of spotless days in 2019:187
Current stretch spotless days:17

This day in history*

Solar flares
12000M5.1
22004M1.9
31999C9.6
41997C8.6
52001C7.5
ApG
1200339G1
2200030G2
3201420G1
4201516G1
5200215G1
*since 1994

Social networks