M8 – Lagoon Nebula – Take 3


I have re-used the data from my previous attempt, this time the processing was done entirely in PixInsight. If I recall correctly, there was 10 light frames used for a total integration time of 50 minutes.

  • Date taken: 14/08/2014
  • Location: Adelaide, South Australia
  • Camera: Canon 450d w/ IR filter removed, GSO coma corrector
  • ISO800
  • Mount: HEQ5PRO
  • Scope: GSO 8″ f/5 Newtonian
  • Autoguider: Orion Starshoot AG
  • Imaging: BackyardEOS w/ PHD dithering
  • Guiding: PHD2

The colour calibration is much more accurate this time around. I have also managed to reduce the noise considerably during the integration phase by using Winsorized Sigma Clipping. This allowed me to be a lot less aggressive with the noise removal tools, resulting in a more defined image.

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