Mandel - Wilson is Unexplored Nebulae Project. Discovering, cataloging and imaging unexplored nebula of the Milky Way Galaxy. This Nebula called "Angel" Nebula is located on UMa constellation at RA 10h 39m DEC 73d 24m and is reported like "Ethereal area around central dense area." Composited from IFN, Integrated Flux Nebula : "Integrated Flux Nebulae is the term I've coined to describe high galactic latitude nebulae that are illuminated not by a single star (as most nebula in the plane of the Galaxy are) but by the energy from the integrated flux of all the stars in the Milky Way. These nebulae clouds, an important component of the Interstellar Medium, are composed of dust particles, hydrogen and carbon monoxide and other elements. " [Mandel-Wilson Catalog Page]