NGC 884 (also known as χ Persei) is an open cluster located 7640 light years [2] away in the constellation of Perseus. It is the east component of the Double Cluster with NGC 869. NGC 869 and 884 are often designated h and χ Persei, respectively. …

The Double Cluster, also known as Caldwell 14, consists of the open clusters NGC 869 and NGC 884 (often designated h Persei and χ (chi) Persei, respectively), which are close together in the constellation Perseus.

ngc 884 （也稱為英仙座χ ）是一個位於英仙座的疏散星團，距離地球7,600 [2] 。它位於和ngc 869組成的雙星團的最東端。ngc 869和884通常各別被稱為英仙座h和χ [4] 。這個星團的年齡估計已有為1,250萬年 [2] 。

2016年4月2日 · The Double Cluster, or Caldwell 14, is the name for two open clusters – NGC 869 and NGC 884 – located close together in Perseus constellation. Also known as h Persei and χ Persei (h and Chi Persei), the clusters both lie at an approximate distance of 7,600 light years from Earth and are about 12.8 million years old.

NGC 884是一个疏散星团，位于7600光年以外的英仙座。它是NGC 869双星团的最东端。NGC 869和884通常分别被命名为h和χPersei。这两个星系团位于英仙座OB1星协中，物理上彼此靠近，相距只有几百光年。这些星系团最初是由喜帕恰斯记录的，但很可能是自古以来就知道的。

2025年2月12日 · ngc 884 （也称为英仙座χ ）是一个位于英仙座的疏散星团，距离地球7,600 [2] 。它位于和ngc 869组成的双星团的最东端。ngc 869和884通常各别被称为英仙座h和χ [4] 。这个星团的年龄估计已有为1,250万年 [2] 。

2024年8月23日 · Visible to the naked eye from a dark location, Caldwell 14 is popularly known as the Double Cluster in Perseus. These two bright open clusters, also called NGC 869 and NGC 884, appear side by side, about halfway between the bright stars in the constellations Perseus and Cassiopeia.

NGC 869 and NGC 884 - The Double Cluster (h Chi Persei) The double clusters h and χ Persei, located in the constellation Perseus, are a stunning pair of open star clusters that have fascinated astronomers for centuries. These clusters, estimated to be around 14 million years old, are relatively young and packed with massive, luminous stars.

2022年11月17日 · NGC 869 and NGC 884, also named Caldwell 14 or simply The Double Cluster, are two clusters in the constellation Perseus. Both are very similar to each other in size, magnitude, and age. This bright pair of clusters is a great astrophotography target for beginners.

NGC 884 is a Open Cluster in the Perseus constellation. NGC 884 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere. Given its visual magnitude of 3.8, NGC 884 is barely visible to the naked eye, …