Lagoon Nebula Reprocessed - Adam Lundie - Eatons Hill Observatory

Lagoon Nebula Reprocessed

03-Dec-2015
Lagoon Nebula Reprocessed thumbnail
Lagoon Nebula Reprocessed
Cloudy nights and full moons gave me a chance to have another look at one of my first deep sky photographs. The first image taken through my telescope that made me say "wow". I decided to try reprocessing the original data with the skills I've learned in the past few months.
The Lagoon Nebula is estimated to be between 4,000-6,000 light years from the Earth.

Image as originally processed on 14-Jun-2015:

Reprocessed Image:

  • 14x 120s bayer + 3x dark + 12x bias

Total exposure time: 28 minutes.

Hardware:

  • Celestron EdgeHD 1100 with CGEM DX mount
  • Canon 5D mark III
  • Orion StarShoot Autoguider
  • Orion Short Tube 80 guidescope

Location:

  • Orange zone in Brisbane, Australia. (Bortle 7)

Software:

  • Captured with Canon EOS Utility
  • Guiding with PHD
  • CCDInspector: Image analysis & rejection
  • CCDStack 2+: De-bayer to LRGB, calibrate, align, normalize, stack, DDP, combine RGB.
  • Astra Image 4.0: Deconvolution
  • Photoshop CC: Create and apply synthetic flat field, reduce noise, shrink stars, high pass filter, integrate L+RGB, color balance, contrast.

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