Gabriela Mistral Nebula - Adam Lundie - Eatons Hill Observatory

Gabriela Mistral Nebula

Gabriela Mistral Nebula thumbnail
Gabriela Mistral Nebula
The Gabriela Mistral Nebula lies close to the Carina Nebula ~7500 light years distant in the far-southern sky. This image is a narrowband representation showing glowing ionised gasses, Hydrogen-alpha (orange), Sulfur-II (red), and Oxygen-III (blue).

Image Integration:

  • 43x 600s Hydrogen-alpha
  • 42x 600s Sulfur-II
  • 54x 600s Oxygen-III

Total exposure 23 hours 10 minutes.


  • GSO RC8 carbon fibre astrograph
  • SkyWatcher EQ8 Pro Mount
  • QSI 683-ws8 Camera @ -15°C
  • Astronomik 6nm Ha, 6nm SII, 6nm OIII
  • Starlight Xpress Lodestar X2 Autoguider
  • Starlight Xpress Active Optics
  • Innovations Foresight On Axis Guider


  • Imaged over five nights, high humidity. 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: Linear fit, denoise, deconvolution, pixelmath combine SHO, background neutralization, histogram, curves, local histogram equalization, shrink stars, curves.