Rosette Nebula - Adam Lundie - Eatons Hill Observatory

Rosette Nebula

Rosette Nebula thumbnail
Rosette Nebula
The Rosette Nebula is an emission nebula 3000 light years away. The central area of the nebula contains an open cluster of hot, blue stars which have cleared much of the center of its gas.


  • 18x 300s Red
  • 25x 300s Green
  • 46x 240s Blue
  • 68x 360s Hα

Total exposure 13 hours 27 minutes.


  • Skywatcher Black Diamond ED80
  • SkyWatcher EQ8 Pro Mount
  • QSI 683-ws Camera @ -15°C
  • Astronomik Deep Sky RGB, 6nm Hα 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: Deconvolution, denoise, pixelmath combine Hα + blue as luminance, MT star reduction, MMT sharpen, histogram & curves stretch, local histogram equalization, color saturation.