The Arches Cluster is an open cluster in Sagittarius constellation that was discovered in 1995. It is the densest star cluster of its kind known in the Milky Way.
The Arches Cluster was named for the arch-shaped filaments detected in its vicinity at radio wavelengths. These filaments are produced as a result of the cluster approaching and ionizing the surface of a molecular cloud that lies in the background.
The Jewel Box Cluster cluster was named by Herschel when he described its telescopic appearance as “…a superb piece of fancy jewelry”. it’s one among the youngest known open clusters and may be easily visible to the eye as a hazy star some 1.0° southeast of the first-magnitude star Mimosa (Beta Crucis)
Orion Molecular Cloud Complex
Also known as the Seven Sisters, The Pleiades star cluster is among the nearest star clusters to Earth. It is very large and bright and can be seen with the naked eye from Earth.
The Quintuplet Cluster is a dense open cluster of massive young stars. Its name comes from the fact it has five prominent infrared sources residing in it. Along with the Arches Cluster, it is one of two in the immediate Galactic center region.
M24, also known as the Small Sagittarius Star Cloud is located around 10,000 light years away from Earth and is 600 light years wide, It forms part of the Sagittarius spiral arm of our Galaxy.
One of the easiest to identify clusters in the skies, The Trapezium cluster was named for the trapezoidal asterism formed by the massive stars in its central region. The Swiss-American astronomer Robert Julius Trumpler was the primary to use the name Trapezium.