Not Now. The Double Cluster itself is made up of two open clusters, NGC869 and NGC884 that are some 7,500 light years away. Also known as "h and chi Persei", this unusual double cluster, shown above, is bright enough to be seen from a dark location without even binoculars. It consists of the 2 open star clusters NGC (New General Catalog) 869 and 884. Find premium, high-resolution stock photography at Getty Images. This image is a RGB combine with Luminance layering. The Aligned/stacked in Registax 3 and saved as FITS. NGC 869 has a mass of 3700 solar masses and NGC 884 weighs in at 2800 solar … This pair of open clusters lie about 7,000 light-years away from Earth. Sub frame calibration - // -->, CLICK if(MSFPhover) { MSFPnav6n=MSFPpreload("_derived/Equipment.htm_cmp_astro2010_hbtn.gif"); MSFPnav6h=MSFPpreload("_derived/Equipment.htm_cmp_astro2010_hbtn_a.gif"); } } Use them in commercial designs under lifetime, perpetual & worldwide rights. image. You may not copy, publish, or use this image except for sample layout ('comp') use only. // -->