47 Tucanae is the second brightest globular cluster in the sky (after Omega Centauri), and is noted for having a small very bright and dense core. It is one of the most massive globular clusters in the Galaxy, containing millions of stars.

2023年11月12日 · 47 Tucanae is a bright globular cluster located 14,500 light-years away in the southern constellation Tucana. With an apparent magnitude of 4.09, the cluster is visible to the unaided eye on a clear night.

2015年5月14日 · This NASA/ESA Hubble Space Telescope image shows a globular cluster known as NGC 104 — or, more commonly, 47 Tucanae, since it is part of the constellation of Tucana (The Toucan) in the southern sky.

This NASA/ESA Hubble Space Telescope image shows a globular cluster known as NGC 104 — or, more commonly, 47 Tucanae, since it is part of the constellation of Tucana (The Toucan) in the southern sky.

2013年7月18日 · These images showcase the ancient globular cluster 47 Tucanae, a dense swarm of up to a million stars. The image at left shows the entire cluster, which measures about 120 light-years across. Located in the southern constellation Tucana, the cluster is about 16,700 light-years away.

2022年7月5日 · At magnitude 4.1, 47 Tucanae is visible to the naked eye. Considered second only to Omega Centauri in richness and brightness, this globular cluster is a true gem of the far southern sky.

2015年5月14日 · The optical/UV image of 47 Tuc was created from Hubble data from proposal 10048, PI: J. Mack and R. Gillian (STScI) and 12311, PI: G. Piotto (University of Padova, Italy) et al.

2024年8月13日 · 47 Tucanae or 47 Tuc (also designated as NGC 104 and Caldwell 106) is a globular cluster located in the constellation Tucana. It is about 4.45 ± 0.01 kpc (15,000 ± 33 ly) from Earth, and 120 light years in diameter. 47 Tuc can be seen with the naked eye, with an apparent magnitude of 4.1.

47 Tucanae (NGC 104) is a spectacular globular cluster located in the southern constellation of Tucana. At magnitude 4.5, it appears to the naked eye as a slightly fuzzy star similar to the head of a tail-less comet.

2013年1月10日 · This bright cluster of stars is 47 Tucanae (NGC 104), shown here in an image taken by ESO’s VISTA (Visible and Infrared Survey Telescope for Astronomy) from the Paranal Observatory in Chile. This cluster is located around 15 000 light-years away from us and contains millions of stars, some of which are unusual and exotic.