NGC 7817 is a Spiral Galaxy in the Pegasus constellation. NGC 7817 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.

NGC 7817 is a Spiral Galaxy located in the constellation of Pegasus in the northern hemisphere. NGC 7817's distance from Earth is 84,631,056.88 light years. NGC 7817 is called NGC 7817 in the New General Catalogue (NGC).

NGC 7817 是位于 飞马座 的一个 星系。 它的 赤经 为 04， 赤纬 为 20° 45′，大小 3.7′。 注意事项：由于各大巡天数据覆盖区域有所不同，因此一些纯色图可能只是覆盖区域未达到所致。 版权声明：以上图片数据来自于 DSS、SDSS、H-Alpha、RASS、Ultraviolet (GALEX) 和 Infrared (IRAS) 等巡天项目。 NGC 7817是位于飞马座的一个星系。 它的赤经为 04，赤纬为 20° 45′，大小 3.7′。

From Virginia Beach , NGC7817 is not observable – it will reach its highest point in the sky during daytime and is no higher than 1° above the horizon at dawn. "Uppsala General Catalogue of …

2024年5月20日 · NGC 7817 is listed as a pair with NGC 7798, with a probable separation of about 1.7 million light-years (closer than our galaxy and the Andromeda galaxy). Above, a 12 arcmin wide SDSS image centered on NGC 7817

2023年4月6日 · NGC 7817 -- HII Galaxy The astronomical object called NGC 7817 is a HII Galaxy: Origin of the objects types : (Ref) Object type as listed in the reference "Ref" (acronym) Object type linked to the acronym according to the original reference Anterior to 2007, before we can link the objet type to a reference, or given by the CDS team in some ...

NGC 7817 este o galaxie situată în constelația Pegas. [5] [6] [7] A fost descoperită în 15 septembrie 1784 de către William Herschel. [8] Se află la o distanță de 29,38 de megaparseci de Pământ. [9]

NGC 7817 (H6) NGC 7817 (H6) is a galaxy located in the constellation of Pegasus. The Herchel 2500 is a catalog of nebulae, star clusters, and galaxies. Here are the key stats on NGC 7817:

Faint but instantly visible, almond-shaped galaxy. Doesn't reveal details, has a perfectly regular shape. Its core is not brighter than the rest of the surface. It doesn't grow with averted vision, however it displays a contour with much higher contrast when using this observing technique. Located in an interesting stellar environment.

Object NGC 7817 is located exactly in the center of the picture. NGC 7817 - galaxy in the constellation Pegasi Type: Sbc - The angular dimensions: 3.50'x1.0' magnitude: V=11.8 m; B=12.6 m The surface brightness: 13.0 mag/arcmin 2 Coordinates for epoch J2000: Ra= 0 h 3 m 58.5 s; Dec= 20°45'2" redshift (z): 0.007702