Barred Spiral Galaxy NGC5921 - Adam Lundie - Eatons Hill Observatory

Barred Spiral Galaxy NGC5921

Barred Spiral Galaxy NGC5921 thumbnail
Barred Spiral Galaxy NGC5921
The barred grand spiral galaxy NGC 5921 lies 65 million light years away. It was discovered by William Herschel on 1 May 1786. There are several background galaxies present in the image.


  • 63x 450s Red
  • 16x 450s Red
  • 16x 450s Green
  • 18x 450s Blue

Total integration 14 hours 8 minutes.


  • Celestron 11" Edge HD
  • Skywatcher EQ8 Pro mount
  • QSI 683-ws8 Camera @ -15°C
  • Astronomik Typ2c Luminance, Deep Sky RGB filters
  • Starlight Xpress Active Optics
  • Starlight Xpress Lodestar X2 Autoguider
  • Innovations Foresight On Axis Guider
  • Starlight Instruments Focus Boss II


  • Orange zone in Brisbane, Australia. (Bortle 7)
  • Imaged over 6 nights, new moon.


  • Planning & camera alignment with Aladin 9
  • Captured with AstroArt 6
  • Guiding with PHD2 + PHD_Dither
  • FocusLock live focusing
  • CCDInspector: Image analysis & rejection
  • CCDStack 2+: Calibrate, align, stack.
  • PixInsight: Dynamic background extraction, noise reduction, deconvolution, combine LRGB, color calibration, background neutralization, HDR multiscale transform, curves, local historgram equalization, non-linear stretch