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C42

NGC 7006

Aglomerado Globular Razoável (39/100)
C42 GlobularCluster Delphinus Visível Nível 2 Small telescope (4") - Higher magnification helpful
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Propriedades

Magnitude 10.6
Tamanho Angular 4.2′
Distância 135000 ly
Globular Cluster [Distance: 135000 ly]

Posição e Identificadores

RA 21h 01m 29.3s
Dec +16° 11' 13.2"
Constelação Delphinus
Catálogo C42

Visibilidade

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Sobre C42

Descrição

NGC 7006 is a globular cluster in Delphinus, about 135,000 light-years from Earth. It is one of the most distant globular clusters in the Milky Way's halo, lying well beyond the main body of the galaxy.

Dicas de Observação

A small, faint, unresolved glow in an 8-inch telescope. Appears stellar at low power. It cannot be resolved into individual stars with amateur telescopes due to its great distance. Best in summer and autumn evenings.

História

Discovered by William Herschel on August 21, 1784. Its extreme distance and retrograde orbit suggest it may have been captured from a dwarf galaxy long ago.

Curiosidades

NGC 7006 has a retrograde orbit around the Milky Way, moving opposite to the galaxy's rotation. This retrograde motion supports the theory that it originated in a satellite galaxy that was consumed by the Milky Way.

Fotos da Comunidade (1)

Credit: NASA Hubble. License: CC BY 2.0. (Wikimedia Commons)

Credit: NASA Hubble. License: CC BY 2.0. (Wikimedia Commons)

Skybred Mar 2, 2026