Tag - NGC 6611

Dozens of Variable Stars Were Spotted in the Open Cluster NGC 6611

A 30' × 30' fragment of the DSS-1 plate containing the observed fields of NGC 6611. Credit: Michalska et al, 2023Astronomers have used three ground-based telescopes in Chile to search for variable stars in the open cluster NGC 6611. They identified 95 variable stars, most of which are likely cluster members. This discovery was...