NebulaIC 5146 July 27, 2025 One Min Read 58 Views 0 CommentsIC 5146 (also Caldwell 19, Sh 2-125, Barnard 168, and the Cocoon Nebula) is a reflection/emission nebula and Caldwell object in the constellation Cygnus. Cocoon nebula in visible light. More about equipment used on my Astrobin page. Last Update: August 15, 2025 clusters