Spiral Galaxy NGC7184 - Adam Lundie - Eatons Hill Observatory

Spiral Galaxy NGC7184

Spiral Galaxy NGC7184 thumbnail
Spiral Galaxy NGC7184
NGC 7184 is a barred spiral galaxy 114 million light years from Earth.

Numerous background galaxies are visible, and I am quite happy with their colour showing through.


  • 39x 240s luminance
  • 16x 120s red
  • 20x 120s green
  • 22x 120s blue

Total integration 8 hours 10 minutes.


  • Celestron 11" EdgeHD
  • Skywatcher EQ8 Pro mount
  • QSI 683-ws8 Camera @ -15°C
  • Astronomik luminance, deep sky RGB filters
  • Starlight Xpress Lodestar X2 Autoguider
  • Starlight Xpress Active Optics
  • Innovations Foresight On Axis Guider
  • Starlight Instruments Focus Boss II


  • Orange zone in Brisbane, Australia. (Bortle 7)
  • Imaged over 2 nights. New Moon.


  • Planning & camera alignment with Aladin 10
  • Captured with TheSkyX Professional
  • Guiding with PHD2
  • FocusLock live focusing
  • PixInsight: Calibrate, align, stack, crop, dynamic background extraction, color calibration, light deconvolution, reduce noise, LRGB combination, background neutralization, SCNR green, histogram stretch, HDR multiscale transform, curves.