Overview

Caroline’s Rose (NGC 7789) is a stunning open star cluster located in the constellation Cassiopeia, approximately 8,000 light-years from Earth. Discovered by Caroline Herschel in 1783, this cluster earned its nickname due to its striking resemblance to a blooming rose in telescopic views, with star chains resembling petals. NGC 7789 is estimated to be around 1.6 billion years old, making it an older open cluster with a rich population of evolved red giants and main-sequence stars. Spanning about 50 light-years, its stars are densely packed, creating a dazzling display in moderate to large telescopes. Caroline’s Rose is a favorite among stargazers for its intricate structure and historical significance, offering a glimpse into the lifecycle of stellar clusters.

Total Integration Time: 25.8 hr