A Veil in Ophiuchus: Dark Nebulae LDN 234 & LDN 204 [AI Narration] FriendsofNASA.org: The diffuse hydrogen-alpha glow of emission region Sh2-27 fills this cosmic scene. This field of view spans nearly 3 degrees across the nebula-rich constellation Ophiuchus toward the central Milky Way. A dark veil of wispy interstellar dust clouds draped across the foreground is chiefly identified as LDN 234 and LDN 204 from the 1962 Catalog of Dark Nebulae by American astronomer Beverly Lynds. Sh2-27 itself is