Prawn Nebula in Natural Color - Adam Lundie - Eatons Hill Observatory

Prawn Nebula in Natural Color

Prawn Nebula in Natural Color thumbnail
Prawn Nebula in Natural Color
IC 4628, sometimes known as The Prawn Nebula, is an emission nebula located around 6000 light-years away in the constellation Scorpius

For an emission line view of this nebula, see here.


  • 18x 60s red
  • 21x 60s green
  • 18x 60s blue

Total integration 57 minutes.


  • Skywatcher Black Diamond 80ED
  • Skywatcher EQ8 Pro mount
  • QSI 683-ws8 Camera @ -15°C
  • Astronomik luminance, deep sky RGB filters
  • Starlight Xpress Lodestar X2 Autoguider
  • Innovations Foresight On Axis Guider
  • Starlight Instruments Focus Boss II


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


  • Planning & camera alignment with Aladin 10
  • Captured with TheSkyX Professional
  • Guiding with PHD2
  • FocusLock live focusing
  • PixInsight: calibrate, align, stack, crop, color calibration, dynamic background extraction, noise reduction, stretch, curves.