Waves of Vela - Adam Lundie - Eatons Hill Observatory

Waves of Vela

Waves of Vela thumbnail
Waves of Vela
The Vela Supernova Remnant is an expanding bubble of ionized gas 800 light years away, caused by a supernova explosion 12000 years ago. This image is a small section of the bubble, presented as a narrowband combination of light emitted by Hydrogen alpha, Sulfur II and Oxygen III.
context of image


  • 40x 360s Hα bin2x2
  • 42x 360s SII bin2x2
  • 44x 360s OIII bin2x2

Total exposure 12 hours 36 minutes.


  • Skywatcher Black Diamond ED80
  • SkyWatcher EQ8 Pro Mount
  • QSI 683-ws8 Camera @ -15°C
  • Astronomik 6nm Hα, 6nm SII, 6nm OIII filters
  • Starlight Xpress Lodestar X2 Autoguider
  • Innovations Foresight On Axis Guider


  • Orange zone in Brisbane, Australia. (Bortle 7)


  • Planning & camera alignment with The SkyX Pro
  • Captured with AstroArt 6
  • Guiding with PHD2 + PHD_Dither
  • CCDInspector: Image analysis & rejection
  • CCDStack 2+: Calibrate, align, stack.
  • PixInsight: Denoise, pixelmath combine (Hα as red, SII & OIII as green, OIII as blue), MT star reduction, histogram & curves.