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). This means that NGC 147 is more difficult to see than NGC 185, which is visible in small telescopes. In the Webb Society Deep-Sky Observer's Handbook, the visual appearance of NGC 147 is described as follows:
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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). This means that NGC 147 is more difficult to see than NGC 185, which is visible in small telescopes. In the Webb Society Deep-Sky Observer's Handbook, the visual appearance of NGC 147 is described as follows:
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NGC 147 (UGC 326, MCG 8-2-5,DD ...... 。在1829年9月8日被約翰·弗里德里希·威廉·赫歇爾發現。
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NGC 147 (also known as DDO3 or ...... Mount Wilson near Los Angeles.
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NGC 147 (ook wel PGC 2004, UGC ...... ritse astronoom John Herschel.
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NGC 147 (również PGC 2004 lub ...... satelitą Galaktyki Andromedy.
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NGC 147 (другие обозначения — ...... кции «Нового общего каталога».
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NGC 147 es una galaxia enana e ...... o rango de edad y metalicidad.
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NGC 147 est une galaxie naine ...... tion gravitationnelle directe.
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NGC 147 ist die Bezeichnung ei ...... entlang der größten Abmessung.
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NGC 147 è una galassia nana sf ...... , nel suo mezzo interstellare.
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NGC 147 é uma galáxia elíptica ...... bro de 1829 por John Herschel.
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satellite galaxy of M31
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NGC 147 (UGC 326, MCG 8-2-5,DD ...... 。在1829年9月8日被約翰·弗里德里希·威廉·赫歇爾發現。
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NGC 147 (also known as DDO3 or ...... C 147 is described as follows:
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NGC 147 (ook wel PGC 2004, UGC ...... ritse astronoom John Herschel.
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NGC 147 (również PGC 2004 lub ...... satelitą Galaktyki Andromedy.
@pl
NGC 147 (другие обозначения — ...... кции «Нового общего каталога».
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NGC 147 es una galaxia enana e ...... rta por John Herschel en 1829.
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NGC 147 est une galaxie naine ...... tion gravitationnelle directe.
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NGC 147 ist die Bezeichnung ei ...... entlang der größten Abmessung.
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NGC 147 è una galassia nana sf ...... , nel suo mezzo interstellare.
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NGC 147 é uma galáxia elíptica ...... bro de 1829 por John Herschel.
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NGC 147
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NGC 147
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NGC 147
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NGC 147
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NGC 147
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NGC 147
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NGC 147
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NGC 147
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NGC 147
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NGC 147
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NGC147
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PGC2004,UGC326,DDO3, LEDA 2004,Caldwell 17
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