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Old 15-10-2020, 04:41 PM
furgle (Adam)
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Join Date: Feb 2016
Location: Brisbane
Posts: 144
Starburst Galaxy NGC 1808

Long time no see. Thought I'd start posting here again. For some reason I forgot about IIS :S

I absolutely love the amount of colour detail I got out of this one.

Higher resolution here

  • 59x 300s CLS-CCD light pollution filter
  • 27x 300s Red
  • 21x 300s Green
  • 21x 300s Blue
Total integration 10 hours 40 minutes. Focal length: 1960mm


  • Celestron 11" EdgeHD
  • Celestron 0.7x EdgeHD focal reducer
  • Skywatcher EQ8 Pro mount
  • QSI 683-ws8 Camera @ -15C
  • Astronomik CLS-CCD light pollution filter
  • Astrodon RGB Gen2 E-Series Tru-Balance filters
  • Starlight Xpress Lodestar X2 Autoguider
  • Innovations Foresight ONAG
  • Starlight Instruments Feather Touch Focuser

  • Exposed over 6 nights between 5th December 2019 and 29th January 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, LRGB combination, noise reduction, photometric color calibration, histogram, local histogram equalization, curves, crop.
Attached Thumbnails
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Click for full-size image (NGC1808. IIS.jpg)
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Old 15-10-2020, 05:09 PM
jahnpahwa (JP)
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Join Date: Apr 2020
Location: Canberra, AUS
Posts: 420
Pretty awesome! I agree there is some amazing colour there!

Thanks for your processing info, too. I see crop is the last thing you do, and wonder why that is?
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Old 16-10-2020, 04:42 PM
Placidus (Mike and Trish)
Narrowing the band

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Join Date: Mar 2011
Location: Euchareena, NSW
Posts: 3,507
That's very fine Adam. Your quite vibrant rendition makes us want to revisit this galaxy - it's been a decade.
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Old 16-10-2020, 06:24 PM
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topheart is offline
Join Date: Nov 2005
Location: Cairns
Posts: 1,060
Well done!!
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