Viewing archive of Thursday, 23 February 2017

Sunspot numberNew regionsBackground fluxMaximum fluxC
18 10B1.1C1.361

Solar flares

RegionStartMaximumEnd
2638B4.4 00:4501:0501:20
2638B4.8 10:4210:5411:04
2638B2.4 14:1814:2814:42
2638B5.8 20:1720:2420:27
2638C1.3 20:4320:5321:11

<< 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!

1%

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 2020:14
Current stretch spotless days:12

This day in history*

Solar flares
11999M1.4
22015M1.4
32002M1.3
42003M1.2
52000M1.0
ApG
1200464G3
2200533G2
3201224G1
4200022G1
5200319G1
*since 1994

Social networks