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      M83 Three One-Click Observations
      Wallpaper author:
      Rip Smith

      25 Mar 2021

      M83 Three One-Click Observations

      For this image I combined three one-click observations on the Chile #1 Planewave CDK24. As I was working up the image, I decided to push the envelope on the image resolution.

      I started out with the raw files in Pixinsight and then went to Photoshop. I used Topaz Denoise AI to reduce noise, ON1 Resize to upsample the image by 400%, and then another application of Denoise.

      Finally I cropped the image to fill the square frame, making the final image about the same pixel dimensions (3056x3056) of the original.

      Certainly not space telescope quality but I feel like the image held together quite well for being enlarged four times and it has more impact.

      There is no doubt of quality of the instrument at El Sauce. It makes working with the images a pleasure.

      Dataset from which the image was processed

      M83

      30 credit

      Open
      Telescope Live
      CHI-1-CCD
      • Type of target
        ............................................................................................................................
        Galaxy
      • Camera
        ............................................................................................................................
        FLI ProLine PL9000
      • Target coordinates
        ............................................................................................................................
        RA 204.2538 Dec -29.8658
      • Hemisphere
        ............................................................................................................................
        Southern
      • Telescope location
        ............................................................................................................................
        Chile
      • Transient event
        ............................................................................................................................
        No
      • Observed on
        ............................................................................................................................
        29 Dec 2019 - 24 Jul 2022
      Filter
      Avg Exp (s)
      Total Exposure
      Subframes
      Luminance3418h20m88
      Red3658h55m88
      Green3618h50m88
      Blue3689h88
      Halpha1303h10m88

      M83 Three One-Click Observations