Reflection Nebula IC 4601 - Adam Lundie - Eatons Hill Observatory

Reflection Nebula IC 4601

Reflection Nebula IC 4601 thumbnail
Reflection Nebula IC 4601
IC 4601 is a reflection nebula within the larger Blue Horsehead Nebula. Reflection nebulae are actually made up of dust that normally appears dark but can reflecting the light of nearby stars.


  • 45x 300s Luminance
  • 27x 300s Red
  • 32x 300s Green
  • 26x 300s Blue

Total integration 10 hours 50 minutes. Focal length: 600mm


  • Skywatcher Black Diamond 80ED
  • Skywatcher EQ8 Pro mount
  • QSI 683-ws8 Camera @ -15°C
  • Astrodon LRGB Gen2 E-Series Tru-Balance filters
  • Starlight Xpress Lodestar X2 Autoguider
  • Innovations Foresight ONAG
  • Starlight Instruments Feather Touch Focuser


  • Exposed over 5 nights between 29th May 2019 and 20th June 2020
  • Orange zone in Brisbane, Australia. (Bortle 7)


  • Planning & camera alignment with Aladin 10
  • Captured with TheSkyX Professional
  • Guiding with PHD2
  • PixInsight: Calibrate, align, integrate, dynamic background extraction, deconvolution, LRGB combination, noise reduction, photometric color calibration, histogram, curves, crop.