Grand Spiral Galaxy NGC7424 - Adam Lundie - Eatons Hill Observatory

Grand Spiral Galaxy NGC7424

Grand Spiral Galaxy NGC7424 thumbnail
Grand Spiral Galaxy NGC7424
NGC7424 is a large barred spiral galaxy with well defined arms, similar to the Milky Way. It is around 38 million light years away.


  • 49x 300s red
  • 44x 300s green
  • 48x 300s blue
  • 70x 600s luminance

Total integration 11 hours 40 minutes.


  • Celestron 11" EdgeHD
  • Celestron EdgeHD 0.7x focal reducer
  • Skywatcher EQ8 Pro mount
  • QSI 683-ws8 Camera @ -15°C
  • Astronomik UHC, deep sky RGB filters
  • Starlight Xpress Lodestar X2 Autoguider
  • Starlight Xpress Active Optics
  • Innovations Foresight On Axis Guider
  • Starlight Instruments Focus Boss II


  • Imaged on 6 nights between September 9 and September 18, 2018.
  • 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, crop, dynamic background extraction, color calibration, reduce noise, LRGB combination, histogram stretch, HDR multiscale transform, curves.