Adam Block / Mount Lemmon SkyCenter / University of Arizona
M11: Concentric Contemplation
These "star circles" in M11 (The Wild Duck Cluster, also known as NGC 6705) were imaged on August 18, 2015 at the Mount Lemmon SkyCenter. Drag the green slider in the middle of the image back and forth to compare the view of only the star circles to the circles with M11 in the background. View additional information.