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!

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:2019/07/10Kp5 (G1)
Number of spotless days in 2019:126
Current stretch spotless days:9

This day in history*

Solar flares
12004X3.6
22004X1.3
32004X1.1
42000M5.5
51999M3.1
ApG
1200050G4
2200348G2
3201744G2
4201242G2
5199837G2
*since 1994

Social networks