Project for On-Board Autonomy-2 (PROBA-2)

The ESA Project for On-Board Autonomy-2 (PROBA-2) mission consists of one satellite in a sun-synchronous low Earth orbit and has two instrument onboard to study the Sun. One of these instruments is the SWAP instrument which is an extreme ultraviolet (EUV) imager which images the Sun in the 174 Ångström wavelength.
PROBA-2 SWAP instrument
Courtesy of PROBA-2 (SIDC/ESA)

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-flare2025/02/21M1.4
Last geomagnetic storm2025/02/19Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2025137 -17.5
February 2025152.1 +15.1
Last 30 days149.4 -13.7

This day in history*

Solar flares
12024X6.37
22024X1.70
32002M6.4
42024M4.8
52023M2.6
DstG
11994-144G4
21988-130G3
31973-107G2
41979-97G1
51992-97G1
*since 1994

Social networks