Viewing archive of Thursday, 22 October 2015

Select the desired archive item

Incoming coronal mass ejection?

Sunspot region 2434 produced a long duration C4.4 solar flare that peaked today at 03:40 UTC. This solar flare was accompanied by a coronal mass ejection that is propagating mostly southwest of the Sun-Earth line. Sharp eyes can discover a very faint full halo outline if you watch the LASCO coronagraph imagery meaning an earth-directed component can not be excluded.

Read more

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!

54%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/03/28X1.1
Last M-flare2024/04/27M3.0
Last geomagnetic storm2024/04/26Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days137.7 +30.3

This day in history*

Solar flares
12001M1.01
22000C7.46
32023C7.1
42023C6.8
52022C6.8
ApG
11937128G4
2196960G3
3196084G3
4195664G3
5198561G3
*since 1994

Social networks