Antares area of Scorpius, with dark lanes of nebulosity (Rho Ophiuchi dark nebulas) leading down to Antares and globular cluster M4 at lower right, with colourful reflection and emission nebulas. Takenf from San Pedro de Atacama, Chile, May 2011, with Canon 7D (unmodified) and Canon 135mm telephoto lens at f/2.8 for stack of 8 x 2 minute exposures at U=ISO 1250.
The Amazing Sky 