NGC 147 [SEP] constellation
NGC 147
NGC 147 (also known as DDO3 or Caldwell 17) is a dwarf spheroidal galaxy about 2.58 Mly away in the constellation Cassiopeia. NGC 147 is a member of the Local group of galaxies and a satellite galaxy of the Andromeda Galaxy (M31). It forms a physical pair with the nearby galaxy NGC 185,
another remote satellite of M31. It was discovered by John Herschel in September 1829. Visually it is both fainter and slightly larger than NGC 185 (and therefore has a considerably lower surface brightness
Barnard 147
Barnard 147 is a narrow, snake-like dark nebula in the Cygnus constellation. It is a well-defined dark lane near open cluster NGC 6871.
Barnard 146 is in close proximity to 147, to the SW of star BD +35 3930.
External links.
- Barnard's Catalog