Spiral Galaxy NGC289 - Adam Lundie - Eatons Hill Observatory

Spiral Galaxy NGC289

Spiral Galaxy NGC289 thumbnail
Spiral Galaxy NGC289
Seen face-on, this large spiral galaxy is 70 million light years away, with a bright core and very faint blue arms. A companion elliptical galaxy seems to be interacting with a spiral arm.


  • 28x 900s luminance
  • 28x 450s red
  • 22x 450s green
  • 25x 450s blue

Total integration 16 hours 23 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 October 9 and November 11, 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, evaluate sub-frames, align, stack, crop, dynamic background extraction, deconvolution, color calibration, reduce noise, LRGB combination, histogram stretch, HDR multiscale transform, curves.