Viewing archive of Saturday, 22 April 2017

Sunspot numberNew regionsBackground fluxMaximum flux
29 -100 -1B1.0B9.62

Solar flares

RegionStartMaximumEnd
2651B9.6 00:2200:3400:42
-B1.8 10:0710:1010:13
-B2 12:0812:1312:16
2651B2.1 14:5214:5815:01

<< 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 2019:240
Current stretch spotless days:13

This day in history*

Solar flares
12014M3.7
22014M3.2
31999M2.9
42002M2.4
52011M1.9
ApG
1200340G2
2201416
3199615
4200212
5201711
*since 1994

Social networks