NGC 869 (also known as h Persei) is an open cluster located around 7,460 light years away in the constellation of Perseus. [2] The cluster is around 14 million years old. [2] It is the west component of the Double Cluster with NGC 884. NGC 869 and 884 are often designated h and χ (chi) Persei, respectively.

Apr 2, 2016 · The Double Cluster (NGC 869 and NGC 884) is a pair of two young open clusters located 7,600 light years away in the constellation Perseus. The clusters lie just east of Cassiopeia's W asterism.

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.

Aug 23, 2024 · 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.

Oct 22, 2020 · The Double Cluster in Perseus (NGC 869 and NGC 884) are two open clusters in the constellation Perseus. Also named Caldwell 14 or simply “The Double Cluster”, both star clusters are very similar to each other in size, magnitude, and age.

NGC 869 is a Open Cluster in the Perseus constellation. NGC 869 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere. Given its visual magnitude of 3.7, NGC 869 is barely visible to the naked eye, …

Nov 17, 2022 · 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 869 and NGC 884 are two bright open clusters in the constellation of Perseus, that are separated by only half a degree of apparent sky. Together they are commonly known as the "Double Cluster" and form a famous showpiece object, that's easily visible to the naked eye and a wonderful sight in binoculars and telescopes.

The clusters are also blueshifted, with NGC 869 approaching Earth at a speed of 39 km/s (24 mi/s) and NGC 884 approaching at a similar speed of 38 km/s (24 mi/s). Their hottest main sequence stars are of spectral type B0.

Feb 15, 1998 · NGC 869 is estimated to be 7,000 light years distant. Most of the brightest stars are blue giants, as would be expected of such young stars. However, a few have already evolved into red giants. This area in Perseus marks our galaxy’s …