The Ophiucus Molecular Cloud is a rich star forming region featuring the open cluster Collinder 302 , with also other nice DSO in the field of view: Antares, vdB 107, IC 4603, IC 46...
The Veil Nebula (also known by the Caldwell Catalogue acronyms C 33 and C 34) is a large diffuse nebula visible in the southeastern part of the constellation Cygnus.
The distance of ...