M31, M32 and M110 galaxies in Andromeda

  • Telescope: Canon EF 135mm f/2L USM telephoto lens (f/4 stopped)
  • Camera: modified Canon 1300D (super UV-IR cut) , 800 iso, RAW mode, Optolong L-PRO filter
  • Mount: Astrotrac with polar scope
  • Integration: 40 x 120 sec, (30 bias, 5 dark, 30 flat)
  • Date, Location, Temp/Software: Dicember 2020, Livorno (Italy), 11°C/ PixInsight, PhotoShop
  • Click the image for 1920×1080 resolution

The Andromeda Galaxy is a spiral galaxy approximately 2.5 million light-years from Earth in the Andromeda constellation. Also known as Messier 31, M31, or NGC 224, it is often referred to as the Great Andromeda Nebula in older texts. The Andromeda Galaxy is the nearest spiral galaxy to our Milky Way galaxy, but not the closest galaxy overall. It gets its name from the area of the sky in which it appears, the constellation of Andromeda, which was named after the mythological princess Andromeda. The Andromeda Galaxy is the largest galaxy of the Local Group, which also contains the Milky Way, the Triangulum Galaxy, and about 30 other smaller galaxies. Although the largest, the Andromeda Galaxy may not be the most massive, as recent findings suggest that the Milky Way contains more dark matter and could be the most massive in the grouping (Wikipedia).

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