Viewing archive of Monday, 12 February 2018

Select the desired archive item

C-class solar flare, Earth-directed CME

Sunspot region 2699 has been transiting the earth-facing solar disk the past few days but was relatively quiet. However, today just past midnight, this sunspot region started to erupt with a long duration C-class solar flare. The solar flare started at 00:15 UTC and peaked at 01:35 UTC with a maximum measured X-ray flux of C1.5. Not a mighty impressive value but the long duration gave away that this event might have been eruptive...

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!

SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/02/23M4.9
Last geomagnetic storm2025/02/19Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2025137 -17.5
February 2025154.3 +17.3
Last 30 days150.6 -11.5

This day in history*

Solar flares
12025M4.9
22024M2.6
32014M1.62
42024M1.5
52023M1.5
DstG
11988-97G2
21982-92G2
31990-82G1
41973-75G2
51957-73G2
*since 1994

Social networks