Viewing archive of Monday, 23 April 2001

Sunspot numberNew regionsBackground fluxMaximum fluxCM
140 -240B8.1M4.0462

Solar flares

RegionStartMaximumEnd
9433M1.0 01:1901:2801:37
-C1.3 03:2903:3303:47
9433C4.1 04:3704:5205:00
-C2.2 06:1606:5207:41
9433C9.1 10:0610:1810:23
9431C2.8 12:0612:2312:36
9433M4.0 20:1520:3020:43
9433C3.2 23:3623:4023:44

<< 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:2019/09/28Kp5 (G1)
Number of spotless days in 2019:213
Current stretch spotless days:15

This day in history*

Solar flares
12015M1.5
22013M1.2
32001M1.1
42015M1.1
51998C9.1
ApG
1200332G2
2199921G1
3201620
4200514
5200213
*since 1994

Social networks