Narrowband Lagoon Nebula - Adam Lundie - Eatons Hill Observatory

Narrowband Lagoon Nebula

Narrowband Lagoon Nebula thumbnail
Narrowband Lagoon Nebula
The Lagoon Nebula is an active stellar nursery spanning 60 light years across. This false color photograph shows the interplay of three gasses: hydrogen-alpha in green, sulfur-II in red, and oxygen-III in blue.


  • 43x 360s 6nm S-II
  • 68x 360s 6nm H-α
  • 77x 360s 6nm O-III

Total integration 18.8 hours.


  • Skywatcher Esprit ED120
  • Skywatcher EQ8 Pro mount
  • QSI 683-ws8 Camera @ -15°C
  • Astronomik 6nm narrowband filters
  • Starlight Xpress Lodestar X2 Autoguider


  • Imaged over 5 nights between 21st June and 20th August 2019.
  • Orange zone in Brisbane, Australia. (Bortle 7)


  • Planning & camera alignment with Aladin 10
  • Captured with TheSkyX Professional
  • Guiding with PHD2
  • FocusLock live focusing
  • PixInsight: Calibrate, align, stack, deconvolution, pixelmath SHO combination, histogram stretch, curves, HDR multiscale transform, reduction of magenta star halos.
  • Photoshop CC: Saturation, high pass filter, annotation.