Learn

      • Blog
      • Academy
      • About us
      • Forum

      Legal

      • Privacy Policy
      • Cookie Policy
      • Terms & Conditions

      Pricing

      • Plans

      Tutorials

      • All tutorials
      • Our tutors
      • Webinars

      Follow us

      • Facebook
      • Instagram
      Wallpaper author:
      Andrew Macica

      09 Feb 2026

      Messier 51, the Whirlpool Galaxy

      The Whirlpool Galaxy, also known as Messier 51 or NGC 5194. M51 is a spiral galaxy with an interacting companion galaxy, NGC 5195. It is 31 MLY distant. (NASA Science)


      Image processed by Andrew F. Macica, original data from Telescope Live.


      Imaging Details:


      Observatory: Oria, Spain

      Telescope: Officina Stellare 700 RC

      Aperture: 700 mm (27.5 inches), f/8

      Focal Length: 5600 mm

      Camera: QHY 600M Pro CMOS

      Filters: LRGB

      Total Exposure: 10 hours 10 min.


      Image Processing: PixInsight 1.8.9-3 Ripley (x64);

      BlurXTerminator, NoiseXTerminator (RC Astro);

      Adobe Photoshop 12.5.1;

      Adobe Lightroom Classic 14.1.1


      Instruction on PixInsight from Adam Block Studios.

      Dataset from which the image was processed

      M51

      9 credit

      Open
      Telescope Live
      SPA-2-CMOS

      Messier 51, the Whirlpool Galaxy