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      The Medusa Nebula, A66 21, Sh2-274, HSO
      Wallpaper author:
      Steve Teel

      03 Nov 2025

      The Medusa Nebula, A66 21, Sh2-274, HSO

      Processed using APP, PixInsight with Blur, Noise, and StarXTerminator, NarrowbandNormalization, ImageBlend, GHS, and Affinity Photo 2 as inspired by Adam Block's Narrowband Processing tutorial.

      Dataset from which the image was processed

      Sh 2-274

      8 credit

      Open
      Telescope Live
      CHI-1-CMOS

      The Medusa Nebula, A66 21, Sh2-274, HSO