NGC 6717 (also known as Palomar 9) is a globular cluster in the constellation Sagittarius, and is a member of the Palomar Globular Clusters group. Palomar 9 was discovered by William Herschel on August 7, 1784.

2021年9月10日 · This star-studded image from the NASA/ESA Hubble Space Telescope depicts NGC 6717, which lies more than 20,000 light-years from Earth in the constellation Sagittarius. NGC 6717 is a globular cluster, a roughly spherical collection of …

2021年9月6日 · This star-studded image from the NASA/ESA Hubble Space Telescope depicts NGC 6717, which lies more than 20 000 light-years from Earth in the constellation Sagittarius. NGC 6717 is a globular cluster, a roughly spherical collection of …

NGC 6717 is located at a distance of 7.1 kpc from the Sun and 2.4 kpc from the Galactic centre, which places it in the bulge of the Milky Way. It has a dense core, which may indicate that it has undergone a core collapse.

NGC 6717 is a Globular Cluster in the Sagittarius constellation. NGC 6717 is situated close to the celestial equator and, as such, it is at least partly visible from both hemispheres in certain times of the year.

2021年9月13日 · The team behind the Hubble Space Telescope recently published this image of a celestial body called NGC 6717 that's located about 20,000 light-years away from Earth. It's a globular cluster, or a...

2021年9月13日 · This star-studded image from NASA’s Hubble Space Telescope depicts globular cluster NGC 6717, which lies more than 20,000 light-years from Earth in the constellation Sagittarius. Globular...

2021年9月6日 · This star-studded image from the NASA/ESA Hubble Space Telescope depicts NGC 6717, which lies more than 20 000 light-years from Earth in the constellation Sagittarius. NGC 6717 is a globular cluster, a roughly spherical collection of …

2021年9月6日 · 這張影像由 NASA/ESA 哈伯太空望遠鏡 的第三代廣域照相機（Wide Field Camera 3，WFC3）及先進巡天照相機（Advanced Camera for Surveys，ACS）拍攝，原始大小為 3817 x 2930 px。 圖中的球狀星團為 NGC 6717，位於 人馬座（Sagittarius）， 可縮放高畫質影像（另開新分頁）。 這張影像的中心還包含了一些離我們較近的闖入者。 靠近地球的明亮前景恆星，其被星光與支撐哈伯副鏡的結構相互作用而形成的縱橫交錯繞射尖峰所包圍。 夜空中 …

William Herschel discovered this cluster and cataloged it as H III.143. He described it as a very faint round nebula and apparently thought it was a cluster with nebulosity. It was first recognized as globular cluster by Per Collinder in 1931.