Satellites, télescopes, images

Digitized Sky Survey Image of Star Field Around M83 (ground-based image)

Digitized Sky Survey Image of the Eagle Nebula

Digitized all sky-survey (ground-based image)

Digitized sky survey image of AM 0644-741 (ground-based image)

Digitized sky survey image of Abell 370 (ground-based image)

Dim and diffuse

Dim, but still distinct

Disco lights from a galaxy cluster

Discovery of a Dark Auroral Oval on Saturn

Discs and Bulges