Andromeda Galaxy + H-alpha clouds

Andromeda Galaxy + H-alpha clouds

credit: Giuseppe Donatiello

 

 

(J2000) RA: 00h 42m 44.3s Dec: +41° 16′ 9″ (core)

The Andromeda Galaxy, or Messier 31 (M31) and NGC 224, is a spiral galaxy approximately at 780 kiloparsecs (2.5 million light-years). It is the largest menber of the Local Group of galaxies, which also contains the Milky Way, the Triangulum Galaxy, and other smaller galaxies.

The Andromeda Galaxy, z = −0.001001, is approaching the Milky Way at about 110 Km/sec.

 

Composite 68MB mosaic. This image uses data taken with Tair-3S (300mm f/4.5) and custom Canon 250mm f/2.2 telephoto lenses. H-alpha data are obtained with Astronomik 12nm clip filter.

 

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