The Double Cluster . ... Also cataloged as NGC 869 (right) and NGC 884, both clusters are about 7,000 light-years away and contain stars much younger and hotter than the Sun. Separated by only a few hundred light-years, the clusters' ages based on their individual stars are similar - evidence that they were likely a product of the same star-forming region . Always a rewarding sight in binoculars , the Double Cluster is even visible to the unaided eye from dark locations . ...