NGC 584 is an elliptical galaxy in the constellation Cetus. The galaxy was discovered on 10 September 1785 by the German-British astronomer William Herschel. It is about 20 megaparsecs (60 million light-years) distant. [4] NGC 584 belongs to the NGC 584 galaxy group, which also includes the galaxies NGC 596, NGC 600, NGC 615 and NGC 636. [5]

NGC 584 是 鲸鱼座 的一个 星系。 它于1785年9月10日由 威廉·赫歇尔 发现。 维基共享资源 上的相关多媒体资源： NGC 584.

2020年1月31日 · First discovered in 1785 by William Herschel, NGC 584 is an elliptical galaxy with a morphological classification of E4 in Cetus. It is accompanied by the spiral galaxy NGC 586, also discovered on the same night by William Herschel. NGC 584 is also noted as IC 1712 as Barnard found it whilst observing the comet C/1888 R1 – one of his discoveries.

NGC 584是位于 鲸鱼座 中的一个椭圆星系。 这个星系是在1785年9月10日由德国-英国天文学家威廉·赫谢尔 (WilliamHerschel)发现的。 它的距离约为20兆赫 (6000万光年)。 NGC 584属于NGC 584星系群，也包括星系 NGC 596 、 NGC 600 、 NGC 615 和 NGC 636。 NGC 584是位于鲸鱼座中的一个椭圆星系。 这个星系是在1785年9月10日由德国-英国天文学家威廉·赫谢尔 (WilliamHerschel)发现的。

2024年10月3日 · It is currently limited to a maximum of 30 arcsec. It depends mostly on the precision or quality of the coordinates (SIMBAD and VizieR catalogs), the resolution of the images from which the sources were extracted, source extent, and source crowding.

NGC 584 (H139) is a galaxy located in the constellation of Cetus. The Herchel 2500 is a catalog of nebulae, star clusters, and galaxies. Here are the key stats on NGC 584: NGC 584 from the Herschel Catalogue in the constellation of Cetus.

2024年7月31日 · It is the central galaxy of the NGC 584 group of galaxies, to which NGC 586 and NGC 596 belong, and was first discovered by William Herschel on September 10, 1785. A supermassive black hole with a mass of approximately 130 million solar masses has been confirmed to be at the center, and five globular clusters have also been discovered.

NGC 584 is a moderately large and bright elliptical galaxy in Cetus. In an 18 inch telescope it appears as an elongated patch of light with a bright centre. The two bright galaxies either side of NGC 584 are the 13.2 magnitude NGC 582; (left) and the 15.2 magnitude PGC 1028168.

NGC 584 . NGC 584 is a elliptical galaxy located in the constellation Cetus. Some key stats include:

NGC 584 是 鲸鱼座 的一個 星系。 它于1785年9月10日由 威廉·赫歇尔 发现。 维基共享资源 上的相關多媒體資源： NGC 584.