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M79

NGC 1904

Aglomerado Globular Excelente (63/100)
M79 GlobularCluster Lepus Visível Nível 4 Large telescope (10"+) - Higher magnification helpful
Credit: NASA and ESA\n\nAcknowledgement: S. Djorgovski (Caltech) and F. Ferraro (University of Bologna). License: CC BY 4.0. (Wikimedia Commons)
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Propriedades

Magnitude 7.7
Tamanho Angular 7.2′
Distância 41000 ly
Globular Cluster [Distance: 41000 ly]

Posição e Identificadores

RA 05h 24m 10.6s
Dec -24° 31' 27.3"
Constelação Lepus
Catálogo M79

Visibilidade

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Sobre M79

Descrição

M79 is a bright globular cluster in Lepus, about 42,100 light-years from Earth. It is unusual because it lies in the opposite direction from the galactic center — most globulars cluster around Sagittarius. M79 spans about 118 light-years and is moderately concentrated, with a well-defined core.

Dicas de Observação

Located about 4 degrees south-southwest of Beta Leporis (Nihal). Easily found by star-hopping from Alpha and Beta Leporis. In binoculars it appears as a small, bright fuzzy star. A 6-inch telescope shows a compact, concentrated core. An 8-inch at 150x begins to resolve stars at the edges. M79 is one of the few globular clusters well-placed for winter observation, when most globulars are below the horizon. Best observed from December through February.

História

Discovered by Pierre Mechain on October 26, 1780. Charles Messier cataloged it on December 17, 1780. Its position far from the galactic center puzzled astronomers for centuries.

Curiosidades

M79's anomalous position — far from the galactic center — has been explained by its likely origin in the Canis Major Dwarf Galaxy, a small satellite galaxy being absorbed by the Milky Way. M79 is one of few winter globular clusters, making it a welcome sight for observers who associate globulars primarily with summer skies.

Fotos da Comunidade (1)

Credit: NASA and ESA\n\nAcknowledgement: S. Djorgovski (Caltech) and F. Ferraro (University of Bologna). License: CC BY 4.0. (Wikimedia Commons)

Credit: NASA and ESA\n\nAcknowledgement: S. Djorgovski (Caltech) and F. Ferraro (University of Bologna). License: CC BY 4.0. (Wikimedia Commons)

Skybred Feb 28, 2026