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C47

NGC 6934

Aglomerado Globular Bom (57/100)
C47 GlobularCluster Delphinus Visível Nível 2 Small telescope (4") - Higher magnification helpful
Credit: en:NASA, en:STScI, en:WikiSky. License: Public domain. (Wikimedia Commons)
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Propriedades

Magnitude 8.9
Tamanho Angular 5.4′
Distância 52000 ly
Globular Cluster [Distance: 52000 ly]

Posição e Identificadores

RA 20h 34m 11.3s
Dec +07° 24' 14.4"
Constelação Delphinus
Catálogo C47

Visibilidade

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Sobre C47

Descrição

NGC 6934 is a globular cluster in Delphinus, about 50,000 light-years away. It is a moderately concentrated cluster spanning about 5.9 arcminutes with an integrated magnitude of 8.9.

Dicas de Observação

Visible as a small, fuzzy ball in a 4-inch telescope. An 8-inch scope begins to resolve the outer edges into individual stars at 150x+. Located in Delphinus, best observed in summer and autumn evenings.

História

Discovered by William Herschel on September 24, 1785. It is one of two Caldwell globular clusters in the small constellation Delphinus (along with C42).

Curiosidades

NGC 6934 contains a relatively high number of RR Lyrae variable stars, which are used as standard candles for measuring distances in astronomy.

Fotos da Comunidade (1)

Credit: en:NASA, en:STScI, en:WikiSky. License: Public domain. (Wikimedia Commons)

Credit: en:NASA, en:STScI, en:WikiSky. License: Public domain. (Wikimedia Commons)

Skybred Mar 2, 2026