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      Orion Mosaic
      Wallpaper author:
      Federico Lorenzo Barra

      18 Dec 2022

      Orion Mosaic

      In this picture, I merged the Orion and Horsehead bundle datasets to create a mosaic showing the core of the Orion Constellation. Data was acquired in Spain and Australia with the same equipment. I tried to enhance the colors of M42 and balanced the highlights to have details in its core. I also tried to show the faint Ha nebulosity around the two main subjects, finding a sweet spot for it not to be distracting.

      Thanks to Adam Block! I used some of the techniques clearly explained in his tutorials (SPCC, DBE, BXt).

      Dataset from which the image was processed

      M42

      6 credit

      Open
      Telescope Live
      AUS-2-CCD
      • Type of target
        ............................................................................................................................
        Emission Nebula
      • Camera
        ............................................................................................................................
        FLI PL16803
      • Target coordinates
        ............................................................................................................................
        RA 83.8221 Dec -5.3911
      • Hemisphere
        ............................................................................................................................
        Southern
      • Telescope location
        ............................................................................................................................
        Australia
      • Transient event
        ............................................................................................................................
        No
      • Observed on
        ............................................................................................................................
        25 Jan 2020 - 12 Dec 2021
      Filter
      Avg Exp (s)
      Total Exposure
      Subframes
      Halpha541h46m118
      Luminance2651m118
      Red371h12m117
      Blue2345m117
      Green2446m117

      Orion Mosaic